{
  "resourceType": "StructureDefinition",
  "id": "vzn-kul-vat-body-mass-index",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-category",
      "valueString": "Clinical.Diagnostics"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
      "valueCode": "patient"
    }
  ],
  "url": "http://example.org/StructureDefinition/vzn-kul-vat-body-mass-index",
  "version": "0.0.1",
  "name": "VznKulVatBodyMassIndex",
  "title": "Vzn Kul VAT Body Mass Index",
  "status": "active",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "workflow",
      "uri": "http://hl7.org/fhir/workflow",
      "name": "Workflow Pattern"
    },
    {
      "identity": "sct-concept",
      "uri": "http://snomed.info/conceptdomain",
      "name": "SNOMED CT Concept Domain Binding"
    },
    {
      "identity": "v2",
      "uri": "http://hl7.org/v2",
      "name": "HL7 v2 Mapping"
    },
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    },
    {
      "identity": "w5",
      "uri": "http://hl7.org/fhir/fivews",
      "name": "FiveWs Pattern Mapping"
    },
    {
      "identity": "sct-attr",
      "uri": "http://snomed.org/attributebinding",
      "name": "SNOMED CT Attribute Binding"
    }
  ],
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.identifier.value",
        "path": "Observation.identifier.value",
        "mustSupport": true
      },
      {
        "id": "Observation.partOf",
        "path": "Observation.partOf",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://example.org/StructureDefinition/vzn-kul-vat-infrarenal-abdominal-aorta-aneurysm-repair"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "patternCodeableConcept": {
          "coding": [
            {
              "code": "60621009",
              "system": "http://snomed.info/sct",
              "display": "Body mass index (observable entity)"
            }
          ]
        },
        "mustSupport": true
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://example.org/StructureDefinition/vzn-kul-vat-patient"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]",
        "path": "Observation.value[x]",
        "slicing": {
          "discriminator": [
            {
              "type": "type",
              "path": "$this"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Observation.valueQuantity",
        "path": "Observation.valueQuantity",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Quantity"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.valueQuantity.unit",
        "path": "Observation.valueQuantity.unit",
        "patternString": "kg/m2"
      },
      {
        "id": "Observation.valueQuantity.system",
        "path": "Observation.valueQuantity.system",
        "patternUri": "http://ucum.org"
      },
      {
        "id": "Observation.valueQuantity.code",
        "path": "Observation.valueQuantity.code",
        "patternCode": "kg/m2"
      }
    ]
  }
}