{
  "description": "This profile defines a set of constraints to the FHIR Observation (BMI) resource for use in Alberta Patient Summaries (PS-AB). It re-profiles the HL7 FHIR BMI Profile and refines constraints applied to the Observation (BMI) resource when used in the PS-AB Composition profile.",
  "_filename": "StructureDefinition-ObservationBMIPSAB.json",
  "package_name": "ca.ab.fhir.psab",
  "date": null,
  "derivation": "constraint",
  "publisher": null,
  "fhirVersion": "4.0.1",
  "name": "ObservationBMIPSAB",
  "mapping": [ {
    "uri": "http://hl7.org/fhir/workflow",
    "name": "Workflow Pattern",
    "identity": "workflow"
  }, {
    "uri": "http://snomed.info/conceptdomain",
    "name": "SNOMED CT Concept Domain Binding",
    "identity": "sct-concept"
  }, {
    "uri": "http://hl7.org/v2",
    "name": "HL7 v2 Mapping",
    "identity": "v2"
  }, {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  }, {
    "uri": "http://hl7.org/fhir/fivews",
    "name": "FiveWs Pattern Mapping",
    "identity": "w5"
  }, {
    "uri": "http://snomed.org/attributebinding",
    "name": "SNOMED CT Attribute Binding",
    "identity": "sct-attr"
  } ],
  "abstract": false,
  "type": "Observation",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "ObservationBMI (PS-AB)",
  "package_version": "0.3.0-pre3",
  "status": "draft",
  "id": "974f6a3d-2b59-4bca-9765-91236d5f67e8",
  "kind": "resource",
  "url": "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationBMIPSAB",
  "version": null,
  "differential": {
    "element": [ {
      "id": "Observation",
      "path": "Observation",
      "comment": "Observation (Vital Sign) resources included in Alberta Patient Summary Document Bundles SHALL NOT contain any of the following Observation details: basedOn, partOf, category.extension, category.coding.extension, code.extension, focus, encounter, issued, value.extension, and dataAbsentReason. These rules are mechanically enforced through invariants at the PS-AB Bundle level."
    }, {
      "id": "Observation.status",
      "path": "Observation.status",
      "comment": "Required for each measured observation value submitted",
      "patternCode": "final"
    }, {
      "id": "Observation.category:VSCat",
      "path": "Observation.category",
      "sliceName": "VSCat",
      "sliceIsConstraining": true
    }, {
      "id": "Observation.category:VSCat.coding.system",
      "path": "Observation.category.coding.system",
      "comment": "Fixed system value of 'http://terminology.hl7.org/CodeSystem/observation-category'"
    }, {
      "id": "Observation.category:VSCat.coding.code",
      "path": "Observation.category.coding.code",
      "comment": "Fixed code value of 'vital-signs'"
    }, {
      "id": "Observation.code.coding",
      "min": 1,
      "path": "Observation.code.coding"
    }, {
      "id": "Observation.code.coding:BMICode",
      "path": "Observation.code.coding",
      "sliceName": "BMICode",
      "mustSupport": true,
      "sliceIsConstraining": true
    }, {
      "id": "Observation.code.coding:BMICode.system",
      "path": "Observation.code.coding.system",
      "comment": "Fixed value of 'http://loinc.org",
      "mustSupport": true
    }, {
      "id": "Observation.code.coding:BMICode.code",
      "path": "Observation.code.coding.code",
      "comment": "Fixed value of '39156-5'",
      "mustSupport": true
    }, {
      "id": "Observation.subject",
      "path": "Observation.subject",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://www.alberta.ca/fhir/psab/StructureDefinition/PatientPSAB" ]
      } ]
    }, {
      "id": "Observation.subject.reference",
      "min": 1,
      "path": "Observation.subject.reference"
    }, {
      "id": "Observation.effective[x]",
      "path": "Observation.effective[x]",
      "comment": "Required for each measured observation value submitted",
      "slicing": {
        "rules": "open",
        "ordered": false,
        "discriminator": [ {
          "path": "$this",
          "type": "type"
        } ]
      }
    }, {
      "id": "Observation.effective[x]:effectiveDateTime",
      "max": "1",
      "min": 0,
      "path": "Observation.effective[x]",
      "type": [ {
        "code": "dateTime"
      } ],
      "comment": "YYYY-MM-DDThh:mm:ss[+|-]ZZ:ZZ  e.g.,: 1980-05-31T12:23:12-05:00",
      "sliceName": "effectiveDateTime",
      "mustSupport": true
    }, {
      "id": "Observation.performer",
      "path": "Observation.performer",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://www.alberta.ca/fhir/psab/StructureDefinition/PractitionerPSAB", "https://www.alberta.ca/fhir/psab/StructureDefinition/PractitionerRolePSAB", "https://www.alberta.ca/fhir/psab/StructureDefinition/PatientPSAB" ]
      } ]
    }, {
      "id": "Observation.value[x]",
      "min": 1,
      "path": "Observation.value[x]"
    }, {
      "id": "Observation.value[x]:valueQuantity",
      "path": "Observation.value[x]",
      "type": [ {
        "code": "Quantity"
      } ],
      "comment": "If BMI observation is submitted it shall have an observation value",
      "sliceName": "valueQuantity"
    }, {
      "id": "Observation.value[x]:valueQuantity.value",
      "path": "Observation.value[x].value",
      "comment": "If BMI observation is submitted it shall contain Numeric (integer) - Max Character length (3)"
    }, {
      "id": "Observation.value[x]:valueQuantity.unit",
      "path": "Observation.value[x].unit",
      "comment": "Required if BMI is submitted. Full text or abbreviation (e.g., ft, feet, in, inches, cm, centimeters, etc.)"
    }, {
      "id": "Observation.value[x]:valueQuantity.system",
      "path": "Observation.value[x].system",
      "comment": "Fixed system value of 'http://unitsofmeasure.org"
    }, {
      "id": "Observation.value[x]:valueQuantity.code",
      "path": "Observation.value[x].code",
      "comment": "Fixed code value of 'kg/m2"
    }, {
      "id": "Observation.hasMember",
      "path": "Observation.hasMember",
      "type": [ {
        "code": "Reference",
        "targetProfile": [ "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationBMIPSAB", "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationBodyHeightPSAB", "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationBodyWeightPSAB", "https://www.alberta.ca/fhir/psab/StructureDefinition/ObservationHeadCircumPSAB" ]
      } ]
    } ]
  },
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/bmi"
}