FHIR IG Statistics: StructureDefinition/int-simple

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Source

{
  "resourceType": "StructureDefinition",
  "id": "int-simple",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
      "valueUri": "urn:hl7-org:v3"
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri": "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
      "valueCode": "has-range"
    }
  ],
  "url": "http://hl7.org/cda/stds/core/StructureDefinition/int-simple",
  "version": "1.0.0",
  "name": "int",
  "title": "int: Integer Number",
  "status": "active",
  "experimental": false,
  "date": "2025-07-21T22:05:27+00:00",
  "publisher": "HL7",
  "description": "Integer numbers (-1,0,1,2, 100, 3398129, etc.) are precise numbers that are results of counting and enumerating. Integer numbers are discrete, the set of integers is infinite but countable.  No arbitrary limit is imposed on the range of integer numbers. Two NULL flavors are defined for the positive and negative infinity.",
  "fhirVersion": "5.0.0",
  "kind": "primitive-type",
  "abstract": false,
  "type": "integer",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/integer",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "5.0.0"
      }
    ],
    "element": [
      {
        "id": "integer",
        "path": "integer",
        "short": "Primitive Type integer",
        "definition": "A whole number",
        "comment": "32 bit number; for values larger than this, use decimal",
        "min": 0,
        "max": "*",
        "base": {
          "path": "integer",
          "min": 0,
          "max": "*"
        },
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "integer.id",
        "path": "integer.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references)",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "integer.extension",
        "path": "integer.extension",
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "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())",
            "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()",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "integer.value",
        "path": "integer.value",
        "representation": [
          "xmlAttr"
        ],
        "short": "Primitive value for integer",
        "definition": "The actual value",
        "min": 0,
        "max": "1",
        "base": {
          "path": "integer.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "integer"
              },
              {
                "url": "http://hl7.org/fhir/StructureDefinition/regex",
                "valueString": "[0]|[-+]?[1-9][0-9]*"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.Integer"
          }
        ],
        "minValueInteger": -2147483648,
        "maxValueInteger": 2147483647,
        "isModifier": false,
        "isSummary": false
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "integer.id",
        "path": "integer.id",
        "max": "0"
      },
      {
        "id": "integer.extension",
        "path": "integer.extension",
        "max": "0"
      }
    ]
  }
}