{
  "resourceType": "StructureDefinition",
  "id": "observation-time-since-last-hospitalization",
  "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://hl7.org/fhir/us/mcode/StructureDefinition/observation-time-since-last-hospitalization",
  "version": "1.0.0",
  "name": "TimeSinceLastHospitalization",
  "title": "Observation Time Since Last Hospitalization",
  "status": "draft",
  "experimental": false,
  "date": "2018-08-11",
  "publisher": "Health Level Seven International (Orders and Observations Workgroup)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://fhircat.org/fhircat"
        }
      ]
    }
  ],
  "description": "E2C2 Observation Time Since Last Hospitalization Profile",
  "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",
        "path": "Observation",
        "short": "E2C2 Observation Time Since Last Hospitalization Profile",
        "definition": "This profile defines time since last hospitalization."
      },
      {
        "id": "Observation.code",
        "path": "Observation.code",
        "short": "Time Since Last Hospitalization)",
        "definition": "Time Since Last Hospitalization",
        "comment": "Time Since Last Hospitalization.",
        "alias": [
          "Test",
          "Name"
        ]
      },
      {
        "id": "Observation.code.coding",
        "path": "Observation.code.coding",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "code"
            },
            {
              "type": "value",
              "path": "system"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 1
      },
      {
        "id": "Observation.code.coding:TimeSinceLastHospitalizationCode",
        "path": "Observation.code.coding",
        "sliceName": "TimeSinceLastHospitalizationCode",
        "min": 1,
        "max": "1"
      },
      {
        "id": "Observation.code.coding:TimeSinceLastHospitalizationCode.system",
        "path": "Observation.code.coding.system",
        "min": 1,
        "fixedUri": "E2C2CodeSystem"
      },
      {
        "id": "Observation.code.coding:TimeSinceLastHospitalizationCode.code",
        "path": "Observation.code.coding.code",
        "min": 1,
        "fixedCode": "time_since_last_hospitalization"
      },
      {
        "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"
          }
        ]
      },
      {
        "id": "Observation.valueQuantity.value",
        "path": "Observation.valueQuantity.value",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.valueQuantity.unit",
        "path": "Observation.valueQuantity.unit",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Observation.valueQuantity.system",
        "path": "Observation.valueQuantity.system",
        "min": 1,
        "fixedUri": "http://unitsofmeasure.org",
        "mustSupport": true
      },
      {
        "id": "Observation.valueQuantity.code",
        "path": "Observation.valueQuantity.code",
        "min": 1,
        "fixedCode": "days",
        "mustSupport": true
      }
    ]
  }
}