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Narrative

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Generated Narrative: StructureDefinition ext-R4-SubstanceProtein.numberOfSubunits

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension(4.3.0)	R4: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (new)
url		1..1	uri	"http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceProtein.numberOfSubunits"
value[x]		0..1	integer	Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable
Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "ext-R4-SubstanceProtein.numberOfSubunits",
  "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.r4b"
        },
        {
          "url": "version",
          "valueString": "0.1.0"
        },
        {
          "url": "uri",
          "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "extension": [
        {
          "url": "startFhirVersion",
          "valueCode": "4.3"
        },
        {
          "url": "endFhirVersion",
          "valueCode": "4.3"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r4b"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceProtein.numberOfSubunits",
  "version": "0.1.0",
  "name": "ExtensionSubstanceProtein_NumberOfSubunits",
  "title": "R4: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (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: `SubstanceProtein.numberOfSubunits` (new:integer)",
  "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 `SubstanceProtein.numberOfSubunits` as defined in FHIR R4\r\nin FHIR R4B.\r\n\r\nThe source element is defined as:\r\n`SubstanceProtein.numberOfSubunits` 0..1 `integer`\r\n\r\nFollowing are the generation technical comments:\r\nElement `SubstanceProtein.numberOfSubunits` is not mapped to FHIR R4B, since FHIR R4 `SubstanceProtein` is not mapped.\nElement `SubstanceProtein.numberOfSubunits` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
  "fhirVersion": "4.3.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Basic"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension|4.3.0",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.3.0"
      }
    ],
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (new)",
        "definition": "R4: `SubstanceProtein.numberOfSubunits` (new:integer)",
        "comment": "Element `SubstanceProtein.numberOfSubunits` is not mapped to FHIR R4B, since FHIR R4 `SubstanceProtein` is not mapped.\nElement `SubstanceProtein.numberOfSubunits` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
        "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 unless an empty Parameters resource",
            "expression": "hasValue() or (children().count() > id.count()) or $this is Parameters",
            "xpath": "@value|f:*|h:div|self::f:Parameters",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0"
          },
          {
            "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|4.3.0"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "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": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "id"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "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. 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 can 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"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0"
          },
          {
            "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|4.3.0"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "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": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-SubstanceProtein.numberOfSubunits",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable",
        "definition": "Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element|4.3.0"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable (new)",
        "definition": "R4: `SubstanceProtein.numberOfSubunits` (new:integer)",
        "comment": "Element `SubstanceProtein.numberOfSubunits` is not mapped to FHIR R4B, since FHIR R4 `SubstanceProtein` is not mapped.\nElement `SubstanceProtein.numberOfSubunits` has no mapping targets in FHIR R4B. Typically, this is because the element has been added (is a new element).",
        "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-SubstanceProtein.numberOfSubunits"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable",
        "definition": "Number of linear sequences of amino acids linked through peptide bonds. The number of subunits constituting the SubstanceProtein shall be described. It is possible that the number of subunits can be variable.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ]
      }
    ]
  }
}