FHIR IG Statistics: StructureDefinition/cs-simple

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Narrative

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Source

{
  "resourceType": "StructureDefinition",
  "id": "cs-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/StructureDefinition/structuredefinition-type-characteristics",
      "valueCode": "can-bind"
    },
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri": "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    }
  ],
  "url": "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple",
  "version": "1.0.0",
  "name": "cs",
  "title": "cs: Coded Simple Value",
  "status": "active",
  "experimental": false,
  "date": "2025-08-07T23:03:06+00:00",
  "publisher": "HL7",
  "description": "Coded data in its simplest form, consists of a code. The code system and code system version is fixed by the context in which the value occurs. 'cs' is used for coded attributes that have a single HL7-defined value set.",
  "fhirVersion": "5.0.0",
  "kind": "primitive-type",
  "abstract": false,
  "type": "code",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/code",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "5.0.0"
      }
    ],
    "element": [
      {
        "id": "code",
        "path": "code",
        "short": "Primitive Type code",
        "definition": "A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents",
        "min": 0,
        "max": "*",
        "base": {
          "path": "code",
          "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"
          },
          {
            "key": "cs-pattern",
            "severity": "error",
            "human": "cs attributes must not contain any whitespace",
            "expression": "matches('^[^\\\\s]+[%content%]#x27;)"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "code.id",
        "path": "code.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": "code.extension",
        "path": "code.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": "code.value",
        "path": "code.value",
        "representation": [
          "xmlAttr"
        ],
        "short": "Primitive value for code",
        "definition": "Primitive value for code",
        "min": 0,
        "max": "1",
        "base": {
          "path": "string.value",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "code"
              },
              {
                "url": "http://hl7.org/fhir/StructureDefinition/regex",
                "valueString": "[^\\s]+( [^\\s]+)*"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "code",
        "path": "code",
        "constraint": [
          {
            "key": "cs-pattern",
            "severity": "error",
            "human": "cs attributes must not contain any whitespace",
            "expression": "matches('^[^\\\\s]+[%content%]#x27;)"
          }
        ]
      },
      {
        "id": "code.id",
        "path": "code.id",
        "max": "0"
      },
      {
        "id": "code.extension",
        "path": "code.extension",
        "max": "0"
      }
    ]
  }
}