| Package | hl7.cda.us.ccda | 
| Resource Type | StructureDefinition | 
| Id | InstructionsSection | 
| FHIR Version | R5 | 
| Source | http://hl7.org/cda/us/ccda/https://build.fhir.org/ig/HL7/CDA-ccda/StructureDefinition-InstructionsSection.html | 
| URL | http://hl7.org/cda/us/ccda/StructureDefinition/InstructionsSection | 
| Version | 4.0.0 | 
| Status | draft | 
| Date | 2025-06-26T21:09:45+00:00 | 
| Name | InstructionsSection | 
| Title | Instructions Section | 
| Realm | us | 
| Authority | hl7 | 
| Description | The Instructions Section records instructions given to a patient. List patient decision aids here. #### Templates Used Although open templates may contain any valid CDA content, the following templates are specifically called out by this template: **Required Entries**: [InstructionActivity](StructureDefinition-InstructionActivity.html) or [InstructionObservation](StructureDefinition-InstructionObservation.html) | 
| Type | http://hl7.org/cda/stds/core/StructureDefinition/Section | 
| Kind | logical | 
| StructureDefinition | |
| HistoryandPhysical | History and Physical | 
| ProgressNote | Progress Note | 
| StructureDefinition | |
| Act | Act (CDA Class) | 
| Observation | Observation (CDA Class) | 
| Section | Section (CDA Class) | 
| InstructionActivity | Instruction Activity (Deprecated) | 
| InstructionObservation | Instruction Observation | 
Note: links and images are rebased to the (stated) source
Generated Narrative: StructureDefinition InstructionsSection
| Name | Flags | Card. | Type | Description & Constraints | 
|---|---|---|---|---|
|   Section | C | 1..1 | Section | XML Namespace: urn:hl7-org:v3 Elements defined in Ancestors:@nullFlavor, realmCode, typeId, templateId, @ID, @classCode, @moodCode, id, code, title, text, confidentialityCode, languageCode, subject, author, informant, entry, component Base for all types and resources Instance of this type are validated by templateId Logical Container: ClinicalDocument (CDA Class) Constraints: shall-instruction | 
|    @nullFlavor | 0..1 | cs | If a required section contains no information, the @nullFlavor MAY be set to NI | |
|    Slices for templateId | 1..* | II | Slice: Unordered, Open by value:root, value:extension | |
|     templateId:section | 1..1 | II | ||
|      @root | 1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.10.20.22.2.45 | |
|      @extension | 1..1 | st | Required Pattern: 2014-06-09 | |
|    code | 1..1 | CE | Instructions | |
|     @code | 1..1 | cs | Required Pattern: 69730-0 | |
|     @codeSystem | 1..1 | oid, uuid, ruid | Required Pattern: 2.16.840.1.113883.6.1 | |
|    title | 1..1 | ST | ||
|    text | 1..1 | xhtml | ||
|    Slices for entry | 0..* | Entry | If section/@nullFlavor is not present: Slice: Unordered, Open by profile:act, profile:observation | |
|     entry:instructionAct | 0..* | Entry | ||
|      act | 1..1 | InstructionActivity | ||
|     entry:instructionObservation | 0..* | Entry | ||
|      observation | 1..1 | InstructionObservation | ||
{
  "resourceType": "StructureDefinition",
  "id": "InstructionsSection",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/logical-target",
      "_valueBoolean": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
            "valueCode": "not-applicable"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
      "valueUri": "urn:hl7-org:v3"
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
      "valueString": "section"
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri": "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/type-profile-style",
      "valueCode": "cda"
    }
  ],
  "url": "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionsSection",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:hl7ii:2.16.840.1.113883.10.20.22.2.45:2014-06-09"
    }
  ],
  "version": "4.0.0",
  "name": "InstructionsSection",
  "title": "Instructions Section",
  "status": "draft",
  "date": "2025-06-26T21:09:45+00:00",
  "publisher": "Health Level Seven",
  "contact": [
    {
      "name": "HL7 International - Structured Documents",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/structure"
        }
      ]
    }
  ],
  "description": "The Instructions Section records instructions given to a patient. List patient decision aids here.\n\n#### Templates Used\nAlthough open templates may contain any valid CDA content, the following templates are specifically called out by this template:\n\n**Required Entries**: [InstructionActivity](StructureDefinition-InstructionActivity.html) or [InstructionObservation](StructureDefinition-InstructionObservation.html)",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "US"
        }
      ]
    }
  ],
  "fhirVersion": "5.0.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "logical",
  "abstract": false,
  "type": "http://hl7.org/cda/stds/core/StructureDefinition/Section",
  "baseDefinition": "http://hl7.org/cda/stds/core/StructureDefinition/Section",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "2.0.1-sd"
      }
    ],
    "element": [
      {
        "id": "Section",
        "path": "Section",
        "short": "Base for all types and resources",
        "definition": "Defines the basic properties of every data value. This is an abstract type, meaning that no value can be just a data value without belonging to any concrete type. Every concrete type is a specialization of this general abstract DataValue type.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Base",
          "min": 0,
          "max": "*"
        },
        "constraint": [
          {
            "key": "shall-instruction",
            "severity": "error",
            "human": "If section/@nullFlavor is not present, SHALL contain at least one Instruction",
            "expression": "nullFlavor.exists() or entry.where(act.hasTemplateIdOf('http://hl7.org/cda/us/ccda/StructureDefinition/InstructionActivity')).exists() or entry.where(observation.hasTemplateIdOf('http://hl7.org/cda/us/ccda/StructureDefinition/InstructionObservation')).exists()",
            "source": "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionsSection"
          }
        ],
        "isModifier": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Section.nullFlavor",
        "path": "Section.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "short": "If a required section contains no information, the @nullFlavor MAY be set to NI",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.realmCode",
        "path": "Section.realmCode",
        "definition": "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.realmCode",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id": "Section.typeId",
        "path": "Section.typeId",
        "definition": "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "InfrastructureRoot.typeId",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ],
        "constraint": [
          {
            "key": "II-1",
            "severity": "error",
            "human": "An II instance must have either a root or an nullFlavor.",
            "expression": "root.exists() or nullFlavor.exists()",
            "source": "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id": "Section.typeId.nullFlavor",
        "path": "Section.typeId.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.typeId.assigningAuthorityName",
        "path": "Section.typeId.assigningAuthorityName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Assigning Authority Name",
        "definition": "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.assigningAuthorityName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.typeId.displayable",
        "path": "Section.typeId.displayable",
        "representation": [
          "xmlAttr"
        ],
        "label": "Displayable",
        "definition": "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.displayable",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.typeId.root",
        "path": "Section.typeId.root",
        "representation": [
          "xmlAttr"
        ],
        "label": "Root",
        "definition": "Identifies the type as an HL7 Registered model",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.root",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString": "2.16.840.1.113883.1.3"
      },
      {
        "id": "Section.typeId.extension",
        "path": "Section.typeId.extension",
        "representation": [
          "xmlAttr"
        ],
        "label": "Extension",
        "definition": "A character string as a unique identifier within the scope of the identifier root.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.extension",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.templateId",
        "path": "Section.templateId",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "root"
            },
            {
              "type": "value",
              "path": "extension"
            }
          ],
          "rules": "open"
        },
        "definition": "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min": 1,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.templateId",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.templateId:section",
        "path": "Section.templateId",
        "sliceName": "section",
        "definition": "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min": 1,
        "max": "1",
        "base": {
          "path": "InfrastructureRoot.templateId",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.templateId:section.nullFlavor",
        "path": "Section.templateId.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.templateId:section.assigningAuthorityName",
        "path": "Section.templateId.assigningAuthorityName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Assigning Authority Name",
        "definition": "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.assigningAuthorityName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.templateId:section.displayable",
        "path": "Section.templateId.displayable",
        "representation": [
          "xmlAttr"
        ],
        "label": "Displayable",
        "definition": "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.displayable",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.templateId:section.root",
        "path": "Section.templateId.root",
        "representation": [
          "xmlAttr"
        ],
        "label": "Root",
        "definition": "A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.root",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "patternString": "2.16.840.1.113883.10.20.22.2.45"
      },
      {
        "id": "Section.templateId:section.extension",
        "path": "Section.templateId.extension",
        "representation": [
          "xmlAttr"
        ],
        "label": "Extension",
        "definition": "A character string as a unique identifier within the scope of the identifier root.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.extension",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ],
        "patternString": "2014-06-09"
      },
      {
        "id": "Section.ID",
        "path": "Section.ID",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.ID",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "id",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/xs-ID"
            ]
          }
        ]
      },
      {
        "id": "Section.classCode",
        "path": "Section.classCode",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.classCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode": "DOCSECT",
        "binding": {
          "strength": "required",
          "valueSet": "http://terminology.hl7.org/ValueSet/v3-ActClassRecordOrganizer"
        }
      },
      {
        "id": "Section.moodCode",
        "path": "Section.moodCode",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.moodCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode": "EVN",
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDAActMood"
        }
      },
      {
        "id": "Section.id",
        "path": "Section.id",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.code",
        "path": "Section.code",
        "short": "Instructions",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Section.code",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ]
      },
      {
        "id": "Section.code.nullFlavor",
        "path": "Section.code.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.code.code",
        "path": "Section.code.code",
        "representation": [
          "xmlAttr"
        ],
        "label": "Code",
        "definition": "The plain code symbol defined by the code system. For example, \"784.0\" is the code symbol of the ICD-9 code \"784.0\" for headache.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "CD.code",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "patternCode": "69730-0"
      },
      {
        "id": "Section.code.codeSystem",
        "path": "Section.code.codeSystem",
        "representation": [
          "xmlAttr"
        ],
        "label": "Code System",
        "definition": "Specifies the code system that defines the code.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "CD.codeSystem",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "patternString": "2.16.840.1.113883.6.1"
      },
      {
        "id": "Section.code.codeSystemName",
        "path": "Section.code.codeSystemName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Code System Name",
        "definition": "The common name of the coding system.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.codeSystemName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.code.codeSystemVersion",
        "path": "Section.code.codeSystemVersion",
        "representation": [
          "xmlAttr"
        ],
        "label": "Code System Version",
        "definition": "If applicable, a version descriptor defined specifically for the given code system.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.codeSystemVersion",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.code.displayName",
        "path": "Section.code.displayName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Display Name",
        "definition": "A name or title for the code, under which the sending system shows the code value to its users.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.displayName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.code.sdtcValueSet",
        "extension": [
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri": "urn:hl7-org:sdtc"
          },
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString": "valueSet"
          }
        ],
        "path": "Section.code.sdtcValueSet",
        "representation": [
          "xmlAttr"
        ],
        "definition": "The valueSet extension adds an attribute for elements with a CD dataType which indicates the particular value set constraining the coded concept.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.valueSet",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid"
            ]
          }
        ]
      },
      {
        "id": "Section.code.sdtcValueSetVersion",
        "extension": [
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
            "valueUri": "urn:hl7-org:sdtc"
          },
          {
            "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-name",
            "valueString": "valueSetVersion"
          }
        ],
        "path": "Section.code.sdtcValueSetVersion",
        "representation": [
          "xmlAttr"
        ],
        "definition": "The valueSetVersion extension adds an attribute for elements with a CD dataType which indicates the version of the particular value set constraining the coded concept.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.sdtcValueSetVersion",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.code.originalText",
        "path": "Section.code.originalText",
        "label": "Original Text",
        "definition": "The text or phrase used as the basis for the coding.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "CD.originalText",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/ED"
          }
        ]
      },
      {
        "id": "Section.code.qualifier",
        "path": "Section.code.qualifier",
        "label": "Qualifier",
        "definition": "Specifies additional codes that increase the specificity of the the primary code.",
        "min": 0,
        "max": "0",
        "base": {
          "path": "CD.qualifier",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CR"
          }
        ]
      },
      {
        "id": "Section.code.translation",
        "path": "Section.code.translation",
        "representation": [
          "typeAttr"
        ],
        "label": "Translation",
        "definition": "A set of other concept descriptors that translate this concept descriptor into other code systems.",
        "min": 0,
        "max": "*",
        "base": {
          "path": "CD.translation",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CD"
          }
        ]
      },
      {
        "id": "Section.title",
        "path": "Section.title",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Section.title",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/ST"
          }
        ]
      },
      {
        "id": "Section.text",
        "path": "Section.text",
        "representation": [
          "cdaText"
        ],
        "min": 1,
        "max": "1",
        "base": {
          "path": "Section.text",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "xhtml"
          }
        ]
      },
      {
        "id": "Section.confidentialityCode",
        "path": "Section.confidentialityCode",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.confidentialityCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CE"
          }
        ]
      },
      {
        "id": "Section.languageCode",
        "path": "Section.languageCode",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.languageCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/all-languages"
        }
      },
      {
        "id": "Section.subject",
        "path": "Section.subject",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.subject",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Subject"
          }
        ]
      },
      {
        "id": "Section.author",
        "path": "Section.author",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.author",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Author"
          }
        ]
      },
      {
        "id": "Section.informant",
        "path": "Section.informant",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.informant",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Informant"
          }
        ]
      },
      {
        "id": "Section.entry",
        "path": "Section.entry",
        "slicing": {
          "discriminator": [
            {
              "type": "profile",
              "path": "act"
            },
            {
              "type": "profile",
              "path": "observation"
            }
          ],
          "rules": "open"
        },
        "short": "If section/@nullFlavor is not present:",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.entry",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Entry"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct",
        "path": "Section.entry",
        "sliceName": "instructionAct",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.entry",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Entry"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.nullFlavor",
        "path": "Section.entry.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.entry:instructionAct.realmCode",
        "path": "Section.entry.realmCode",
        "definition": "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.realmCode",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.typeId",
        "path": "Section.entry.typeId",
        "definition": "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "InfrastructureRoot.typeId",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ],
        "constraint": [
          {
            "key": "II-1",
            "severity": "error",
            "human": "An II instance must have either a root or an nullFlavor.",
            "expression": "root.exists() or nullFlavor.exists()",
            "source": "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.typeId.nullFlavor",
        "path": "Section.entry.typeId.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.entry:instructionAct.typeId.assigningAuthorityName",
        "path": "Section.entry.typeId.assigningAuthorityName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Assigning Authority Name",
        "definition": "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.assigningAuthorityName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.typeId.displayable",
        "path": "Section.entry.typeId.displayable",
        "representation": [
          "xmlAttr"
        ],
        "label": "Displayable",
        "definition": "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.displayable",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.typeId.root",
        "path": "Section.entry.typeId.root",
        "representation": [
          "xmlAttr"
        ],
        "label": "Root",
        "definition": "Identifies the type as an HL7 Registered model",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.root",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString": "2.16.840.1.113883.1.3"
      },
      {
        "id": "Section.entry:instructionAct.typeId.extension",
        "path": "Section.entry.typeId.extension",
        "representation": [
          "xmlAttr"
        ],
        "label": "Extension",
        "definition": "A character string as a unique identifier within the scope of the identifier root.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.extension",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.templateId",
        "path": "Section.entry.templateId",
        "definition": "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.templateId",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.typeCode",
        "path": "Section.entry.typeCode",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.typeCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode": "COMP",
        "binding": {
          "strength": "required",
          "valueSet": "http://terminology.hl7.org/ValueSet/v3-xActRelationshipEntry"
        }
      },
      {
        "id": "Section.entry:instructionAct.contextConductionInd",
        "path": "Section.entry.contextConductionInd",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.contextConductionInd",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ],
        "fixedBoolean": true
      },
      {
        "id": "Section.entry:instructionAct.act",
        "path": "Section.entry.act",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Entry.act",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Act",
            "profile": [
              "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionActivity"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.encounter",
        "path": "Section.entry.encounter",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.encounter",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Encounter"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.observation",
        "path": "Section.entry.observation",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.observation",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Observation"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.observationMedia",
        "path": "Section.entry.observationMedia",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.observationMedia",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/ObservationMedia"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.organizer",
        "path": "Section.entry.organizer",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.organizer",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Organizer"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.procedure",
        "path": "Section.entry.procedure",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.procedure",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Procedure"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.regionOfInterest",
        "path": "Section.entry.regionOfInterest",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.regionOfInterest",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/RegionOfInterest"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.substanceAdministration",
        "path": "Section.entry.substanceAdministration",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.substanceAdministration",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/SubstanceAdministration"
          }
        ]
      },
      {
        "id": "Section.entry:instructionAct.supply",
        "path": "Section.entry.supply",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.supply",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Supply"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation",
        "path": "Section.entry",
        "sliceName": "instructionObservation",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.entry",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Entry"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.nullFlavor",
        "path": "Section.entry.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.entry:instructionObservation.realmCode",
        "path": "Section.entry.realmCode",
        "definition": "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.realmCode",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.typeId",
        "path": "Section.entry.typeId",
        "definition": "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "InfrastructureRoot.typeId",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ],
        "constraint": [
          {
            "key": "II-1",
            "severity": "error",
            "human": "An II instance must have either a root or an nullFlavor.",
            "expression": "root.exists() or nullFlavor.exists()",
            "source": "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.typeId.nullFlavor",
        "path": "Section.entry.typeId.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.entry:instructionObservation.typeId.assigningAuthorityName",
        "path": "Section.entry.typeId.assigningAuthorityName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Assigning Authority Name",
        "definition": "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.assigningAuthorityName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.typeId.displayable",
        "path": "Section.entry.typeId.displayable",
        "representation": [
          "xmlAttr"
        ],
        "label": "Displayable",
        "definition": "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.displayable",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.typeId.root",
        "path": "Section.entry.typeId.root",
        "representation": [
          "xmlAttr"
        ],
        "label": "Root",
        "definition": "Identifies the type as an HL7 Registered model",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.root",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString": "2.16.840.1.113883.1.3"
      },
      {
        "id": "Section.entry:instructionObservation.typeId.extension",
        "path": "Section.entry.typeId.extension",
        "representation": [
          "xmlAttr"
        ],
        "label": "Extension",
        "definition": "A character string as a unique identifier within the scope of the identifier root.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.extension",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.templateId",
        "path": "Section.entry.templateId",
        "definition": "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.templateId",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.typeCode",
        "path": "Section.entry.typeCode",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.typeCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "defaultValueCode": "COMP",
        "binding": {
          "strength": "required",
          "valueSet": "http://terminology.hl7.org/ValueSet/v3-xActRelationshipEntry"
        }
      },
      {
        "id": "Section.entry:instructionObservation.contextConductionInd",
        "path": "Section.entry.contextConductionInd",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.contextConductionInd",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ],
        "fixedBoolean": true
      },
      {
        "id": "Section.entry:instructionObservation.act",
        "path": "Section.entry.act",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.act",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Act"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.encounter",
        "path": "Section.entry.encounter",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.encounter",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Encounter"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.observation",
        "path": "Section.entry.observation",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Entry.observation",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Observation",
            "profile": [
              "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionObservation"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.observationMedia",
        "path": "Section.entry.observationMedia",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.observationMedia",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/ObservationMedia"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.organizer",
        "path": "Section.entry.organizer",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.organizer",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Organizer"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.procedure",
        "path": "Section.entry.procedure",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.procedure",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Procedure"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.regionOfInterest",
        "path": "Section.entry.regionOfInterest",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.regionOfInterest",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/RegionOfInterest"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.substanceAdministration",
        "path": "Section.entry.substanceAdministration",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.substanceAdministration",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/SubstanceAdministration"
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation.supply",
        "path": "Section.entry.supply",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Entry.supply",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Supply"
          }
        ]
      },
      {
        "id": "Section.component",
        "path": "Section.component",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Section.component",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot"
          }
        ]
      },
      {
        "id": "Section.component.nullFlavor",
        "path": "Section.component.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.component.realmCode",
        "path": "Section.component.realmCode",
        "definition": "When valued in an instance, this attribute signals the imposition of realm-specific constraints. The value of this attribute identifies the realm in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.realmCode",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/CS"
          }
        ]
      },
      {
        "id": "Section.component.typeId",
        "path": "Section.component.typeId",
        "definition": "When valued in an instance, this attribute signals the imposition of constraints defined in an HL7-specified message type. This might be a common type (also known as CMET in the messaging communication environment), or content included within a wrapper. The value of this attribute provides a unique identifier for the type in question.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "InfrastructureRoot.typeId",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ],
        "constraint": [
          {
            "key": "II-1",
            "severity": "error",
            "human": "An II instance must have either a root or an nullFlavor.",
            "expression": "root.exists() or nullFlavor.exists()",
            "source": "http://hl7.org/cda/stds/core/StructureDefinition/Section"
          }
        ]
      },
      {
        "id": "Section.component.typeId.nullFlavor",
        "path": "Section.component.typeId.nullFlavor",
        "representation": [
          "xmlAttr"
        ],
        "label": "Exceptional Value Detail",
        "definition": "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "ANY.nullFlavor",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
        }
      },
      {
        "id": "Section.component.typeId.assigningAuthorityName",
        "path": "Section.component.typeId.assigningAuthorityName",
        "representation": [
          "xmlAttr"
        ],
        "label": "Assigning Authority Name",
        "definition": "A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.assigningAuthorityName",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.component.typeId.displayable",
        "path": "Section.component.typeId.displayable",
        "representation": [
          "xmlAttr"
        ],
        "label": "Displayable",
        "definition": "Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "II.displayable",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.component.typeId.root",
        "path": "Section.component.typeId.root",
        "representation": [
          "xmlAttr"
        ],
        "label": "Root",
        "definition": "Identifies the type as an HL7 Registered model",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.root",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/oid",
              "http://hl7.org/cda/stds/core/StructureDefinition/uuid",
              "http://hl7.org/cda/stds/core/StructureDefinition/ruid"
            ]
          }
        ],
        "fixedString": "2.16.840.1.113883.1.3"
      },
      {
        "id": "Section.component.typeId.extension",
        "path": "Section.component.typeId.extension",
        "representation": [
          "xmlAttr"
        ],
        "label": "Extension",
        "definition": "A character string as a unique identifier within the scope of the identifier root.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "II.extension",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/st-simple"
            ]
          }
        ]
      },
      {
        "id": "Section.component.templateId",
        "path": "Section.component.templateId",
        "definition": "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min": 0,
        "max": "*",
        "base": {
          "path": "InfrastructureRoot.templateId",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/II"
          }
        ]
      },
      {
        "id": "Section.component.typeCode",
        "path": "Section.component.typeCode",
        "representation": [
          "xmlAttr"
        ],
        "definition": "Drawn from concept domain DocumentSectionType",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.component.typeCode",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
            ]
          }
        ],
        "fixedCode": "COMP"
      },
      {
        "id": "Section.component.contextConductionInd",
        "path": "Section.component.contextConductionInd",
        "representation": [
          "xmlAttr"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "Section.component.contextConductionInd",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "boolean",
            "profile": [
              "http://hl7.org/cda/stds/core/StructureDefinition/bl-simple"
            ]
          }
        ],
        "fixedBoolean": true
      },
      {
        "id": "Section.component.section",
        "path": "Section.component.section",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Section.component.section",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Section"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Section",
        "path": "Section",
        "constraint": [
          {
            "key": "shall-instruction",
            "severity": "error",
            "human": "If section/@nullFlavor is not present, SHALL contain at least one Instruction",
            "expression": "nullFlavor.exists() or entry.where(act.hasTemplateIdOf('http://hl7.org/cda/us/ccda/StructureDefinition/InstructionActivity')).exists() or entry.where(observation.hasTemplateIdOf('http://hl7.org/cda/us/ccda/StructureDefinition/InstructionObservation')).exists()",
            "source": "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionsSection"
          }
        ]
      },
      {
        "id": "Section.nullFlavor",
        "path": "Section.nullFlavor",
        "short": "If a required section contains no information, the @nullFlavor MAY be set to NI"
      },
      {
        "id": "Section.templateId",
        "path": "Section.templateId",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "root"
            },
            {
              "type": "value",
              "path": "extension"
            }
          ],
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Section.templateId:section",
        "path": "Section.templateId",
        "sliceName": "section",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Section.templateId:section.root",
        "path": "Section.templateId.root",
        "min": 1,
        "patternString": "2.16.840.1.113883.10.20.22.2.45"
      },
      {
        "id": "Section.templateId:section.extension",
        "path": "Section.templateId.extension",
        "min": 1,
        "patternString": "2014-06-09"
      },
      {
        "id": "Section.code",
        "path": "Section.code",
        "short": "Instructions",
        "min": 1
      },
      {
        "id": "Section.code.code",
        "path": "Section.code.code",
        "min": 1,
        "patternCode": "69730-0"
      },
      {
        "id": "Section.code.codeSystem",
        "path": "Section.code.codeSystem",
        "min": 1,
        "patternString": "2.16.840.1.113883.6.1"
      },
      {
        "id": "Section.title",
        "path": "Section.title",
        "min": 1
      },
      {
        "id": "Section.text",
        "path": "Section.text",
        "min": 1
      },
      {
        "id": "Section.entry",
        "path": "Section.entry",
        "slicing": {
          "discriminator": [
            {
              "type": "profile",
              "path": "act"
            },
            {
              "type": "profile",
              "path": "observation"
            }
          ],
          "rules": "open"
        },
        "short": "If section/@nullFlavor is not present:"
      },
      {
        "id": "Section.entry:instructionAct",
        "path": "Section.entry",
        "sliceName": "instructionAct",
        "min": 0,
        "max": "*"
      },
      {
        "id": "Section.entry:instructionAct.act",
        "path": "Section.entry.act",
        "min": 1,
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Act",
            "profile": [
              "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionActivity"
            ]
          }
        ]
      },
      {
        "id": "Section.entry:instructionObservation",
        "path": "Section.entry",
        "sliceName": "instructionObservation",
        "min": 0,
        "max": "*"
      },
      {
        "id": "Section.entry:instructionObservation.observation",
        "path": "Section.entry.observation",
        "min": 1,
        "type": [
          {
            "code": "http://hl7.org/cda/stds/core/StructureDefinition/Observation",
            "profile": [
              "http://hl7.org/cda/us/ccda/StructureDefinition/InstructionObservation"
            ]
          }
        ]
      }
    ]
  }
}