{
  "resourceType": "StructureDefinition",
  "id": "ConditionMERT",
  "url": "https://intrahealth.com/fhir/mert/StructureDefinition/ConditionMERT",
  "name": "ConditionMERT",
  "title": "Condition (MERT)",
  "status": "draft",
  "description": "This profile describes the Procedure for MERT.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Condition",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Condition",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Condition.clinicalStatus",
        "path": "Condition.clinicalStatus",
        "comment": "Support all standard clinicalStatus values when present.",
        "mustSupport": true
      },
      {
        "id": "Condition.category",
        "path": "Condition.category",
        "short": "problem-list-item",
        "comment": "Fixed to problem-list-item for MERT. Only problem list conditions are exchanged.",
        "min": 1,
        "max": "1",
        "patternCodeableConcept": {
          "coding": [
            {
              "code": "problem-list-item",
              "system": "http://terminology.hl7.org/CodeSystem/condition-category"
            }
          ]
        },
        "mustSupport": true
      },
      {
        "id": "Condition.severity",
        "path": "Condition.severity",
        "comment": "Severity is optional. When populated, use a standard coded concept when available; otherwise, CodeableConcept.text may be used.",
        "mustSupport": true
      },
      {
        "id": "Condition.code",
        "path": "Condition.code",
        "comment": "Prefer use of a standard diagnosis code when available (e.g., SNOMED CT, ICD-10-CA, or ICD-9). If no coded concept is available, populate CodeableConcept.text.",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Condition.subject",
        "path": "Condition.subject",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://intrahealth.com/fhir/mert/StructureDefinition/PatientMERT"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Condition.encounter",
        "path": "Condition.encounter",
        "comment": "Include encounter when the condition is recorded/associated with a specific encounter.",
        "mustSupport": true
      },
      {
        "id": "Condition.onset[x]",
        "path": "Condition.onset[x]",
        "comment": "Use onset[x] when available to indicate the estimated or actual onset of the condition.",
        "mustSupport": true
      },
      {
        "id": "Condition.abatement[x]",
        "path": "Condition.abatement[x]",
        "mustSupport": true
      },
      {
        "id": "Condition.recordedDate",
        "path": "Condition.recordedDate",
        "mustSupport": true
      },
      {
        "id": "Condition.asserter",
        "path": "Condition.asserter",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://intrahealth.com/fhir/mert/StructureDefinition/PractitionerMERT"
            ]
          }
        ],
        "mustSupport": true
      },
      {
        "id": "Condition.note",
        "path": "Condition.note",
        "comment": "Use note for additional condition context (e.g., narrative details, qualifiers) when structured codings are insufficient.",
        "mustSupport": true
      }
    ]
  }
}