{
  "resourceType": "StructureDefinition",
  "id": "MedicationPSAB",
  "url": "https://www.alberta.ca/fhir/psab/StructureDefinition/MedicationPSAB",
  "name": "MedicationPSAB",
  "title": "Medication (PS-AB)",
  "status": "draft",
  "description": "This profile defines a set of constraints to the FHIR Medication resource for use in Alberta Patient Summaries (PS-AB). It includes constraints that represent the minimum expectations for the Medication resource when used in the PS-AB Composition profile or in one of the referred resources.",
  "fhirVersion": "4.0.1",
  "kind": "resource",
  "abstract": false,
  "type": "Medication",
  "baseDefinition": "http://fhir.infoway-inforoute.ca/io/psca/StructureDefinition/medication-ca-ps",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Medication.code.coding",
        "path": "Medication.code.coding",
        "slicing": {
          "discriminator": [
            {
              "type": "pattern",
              "path": "system"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Medication.code.coding:CCDD",
        "path": "Medication.code.coding",
        "sliceName": "CCDD",
        "comment": "Optional - submit if available [Note: Not always recorded in patient chart; and not always applicable - compound medications do not have a DIN number for example.] Reference: Health Canada Drug ID Number",
        "min": 0,
        "max": "*",
        "mustSupport": true
      },
      {
        "id": "Medication.code.coding:CCDD.system",
        "path": "Medication.code.coding.system",
        "min": 1,
        "fixedUri": "http://terminology.hl7.org/CodeSystem/hc-CCDD"
      },
      {
        "id": "Medication.code.text",
        "path": "Medication.code.text",
        "comment": "Mandatory if any prescribed medication data is present; otherwise must be blank/null. String: Max Character length (200)",
        "min": 1
      },
      {
        "id": "Medication.form.coding",
        "path": "Medication.form.coding",
        "comment": "No terminology has been defined in AB for this element. Future releases may include defined terminology"
      }
    ]
  }
}