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Narrative

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Generated Narrative: StructureDefinition ext-R4-Specimen.col.fastingStatus

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	R4: Whether or how long patient abstained from food and/or drink (new)
url		1..1	uri	"http://hl7.org/fhir/4.0/StructureDefinition/extension-Specimen.collection.fastingStatus"
value[x]		0..1		Whether or how long patient abstained from food and/or drink Binding: v2 Relevant Clincial Information (extensible): Codes describing the fasting status of the patient.
valueCodeableConcept			CodeableConcept
valueDuration			Duration
Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "ext-R4-Specimen.col.fastingStatus",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "extension": [
        {
          "url": "packageId",
          "valueId": "hl7.fhir.uv.xver-r4.r3"
        },
        {
          "url": "version",
          "valueString": "0.1.0"
        },
        {
          "url": "uri",
          "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-Specimen.collection.fastingStatus",
  "version": "0.1.0",
  "name": "ExtensionSpecimen_Collection_FastingStatus",
  "title": "R4: Whether or how long patient abstained from food and/or drink (new)",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "publisher": "FHIR Infrastructure",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "R4: `Specimen.collection.fastingStatus[x]` (new:CodeableConcept, Duration)",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `Specimen.collection.fastingStatus[x]` as defined in FHIR R4\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`Specimen.collection.fastingStatus[x]` 0..1 `CodeableConcept, Duration`\r\n\r\nFollowing are the generation technical comments:\r\nElement `Specimen.collection.fastingStatus[x]` has a context of Specimen.collection based on following the parent source element upwards and mapping to `Specimen`.\nElement `Specimen.collection.fastingStatus[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
  "fhirVersion": "3.0.2",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Specimen.collection"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "snapshot": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: Whether or how long patient abstained from food and/or drink (new)",
        "definition": "R4: `Specimen.collection.fastingStatus[x]` (new:CodeableConcept, Duration)",
        "comment": "Element `Specimen.collection.fastingStatus[x]` has a context of Specimen.collection based on following the parent source element upwards and mapping to `Specimen`.\nElement `Specimen.collection.fastingStatus[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nRepresenting fasting status using this element is preferred to representing it with an observation using a 'pre-coordinated code'  such as  LOINC 2005-7 (Calcium [Moles/​time] in 2 hour Urine --12 hours fasting), or  using  a component observation ` such as `Observation.component code`  = LOINC 49541-6 (Fasting status - Reported).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional Content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-Specimen.collection.fastingStatus",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Whether or how long patient abstained from food and/or drink",
        "definition": "Abstinence or reduction from some or all food, drink, or both, for a period of time prior to sample collection.",
        "comment": "Representing fasting status using this element is preferred to representing it with an observation using a 'pre-coordinated code'  such as  LOINC 2005-7 (Calcium [Moles/​time] in 2 hour Urine --12 hours fasting), or  using  a component observation ` such as `Observation.component code`  = LOINC 49541-6 (Fasting status - Reported).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Duration"
          }
        ],
        "binding": {
          "strength": "extensible",
          "description": "Codes describing the fasting status of the patient.",
          "valueSetUri": "http://hl7.org/fhir/ValueSet/v2-0916|2.8.2"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: Whether or how long patient abstained from food and/or drink (new)",
        "definition": "R4: `Specimen.collection.fastingStatus[x]` (new:CodeableConcept, Duration)",
        "comment": "Element `Specimen.collection.fastingStatus[x]` has a context of Specimen.collection based on following the parent source element upwards and mapping to `Specimen`.\nElement `Specimen.collection.fastingStatus[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nRepresenting fasting status using this element is preferred to representing it with an observation using a 'pre-coordinated code'  such as  LOINC 2005-7 (Calcium [Moles/​time] in 2 hour Urine --12 hours fasting), or  using  a component observation ` such as `Observation.component code`  = LOINC 49541-6 (Fasting status - Reported).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "isModifier": false
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-Specimen.collection.fastingStatus"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Whether or how long patient abstained from food and/or drink",
        "definition": "Abstinence or reduction from some or all food, drink, or both, for a period of time prior to sample collection.",
        "comment": "Representing fasting status using this element is preferred to representing it with an observation using a 'pre-coordinated code'  such as  LOINC 2005-7 (Calcium [Moles/​time] in 2 hour Urine --12 hours fasting), or  using  a component observation ` such as `Observation.component code`  = LOINC 49541-6 (Fasting status - Reported).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Duration"
          }
        ],
        "binding": {
          "strength": "extensible",
          "description": "Codes describing the fasting status of the patient.",
          "valueSetUri": "http://hl7.org/fhir/ValueSet/v2-0916|2.8.2"
        }
      }
    ]
  }
}