{
  "resourceType": "StructureDefinition",
  "url": "http://hl7.org/fhir/ips/StructureDefinition/observation-alcoholuse-uv-ips",
  "name": "Observation-alcoholUse-uv-ips",
  "status": "draft",
  "date": "2018-03-20T10:00:52.49+00:00",
  "description": "This profile constrains the Observation resource to represent alcohol use assessment in a patient summary",
  "fhirVersion": "3.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.status",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint",
            "valueString": "default: final"
          }
        ],
        "path": "Observation.status",
        "mustSupport": true
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "CodeableConcept",
            "profile": "http://hl7.org/fhir/ips/StructureDefinition/CodeableConcept-uv-ips"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.code.coding.system",
        "path": "Observation.code.coding.system",
        "fixedUri": "http://loinc.org"
      },
      {
        "id": "Observation.code.coding.code",
        "path": "Observation.code.coding.code",
        "fixedCode": "74013-4"
      },
      {
        "id": "Observation.subject",
        "path": "Observation.subject",
        "min": 1,
        "type": [
          {
            "code": "Reference",
            "targetProfile": "http://hl7.org/fhir/StructureDefinition/Patient"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.subject.identifier",
        "path": "Observation.subject.identifier",
        "max": "0"
      },
      {
        "id": "Observation.effective[x]",
        "path": "Observation.effective[x]",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]:valueQuantity",
        "path": "Observation.valueQuantity",
        "sliceName": "valueQuantity",
        "type": [
          {
            "code": "Quantity"
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]:valueQuantity.value",
        "path": "Observation.valueQuantity.value",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]:valueQuantity.comparator",
        "path": "Observation.valueQuantity.comparator",
        "max": "0"
      },
      {
        "id": "Observation.value[x]:valueQuantity.system",
        "path": "Observation.valueQuantity.system",
        "fixedUri": "http://unitsofmeasure.org",
        "mustSupport": true
      },
      {
        "id": "Observation.value[x]:valueQuantity.code",
        "path": "Observation.valueQuantity.code",
        "min": 1,
        "mustSupport": true
      }
    ]
  }
}