{
  "resourceType": "StructureDefinition",
  "id": "profile-Medication",
  "url": "https://bpcs.exchange/fhir/StructureDefinition/profile-Medication",
  "name": "Medication",
  "title": "Medication",
  "status": "active",
  "experimental": false,
  "description": "Information about a specific medication or pharmacy product",
  "fhirVersion": "5.0.0",
  "mapping": [
    {
      "identity": "BPCS",
      "name": "Internal BPCS API"
    }
  ],
  "kind": "resource",
  "abstract": false,
  "type": "Medication",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Medication",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Medication.id",
        "path": "Medication.id",
        "comment": "This will be the same as the DIN or PIN",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Medication.code",
        "path": "Medication.code",
        "min": 1,
        "mustSupport": true,
        "binding": {
          "strength": "required",
          "valueSet": "https://bpcs.exchange/fhir/ValueSet/vs-DinPin"
        }
      },
      {
        "id": "Medication.code.coding",
        "path": "Medication.code.coding",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            }
          ],
          "rules": "open"
        },
        "min": 2,
        "mustSupport": true
      },
      {
        "id": "Medication.code.coding:claimDinPin",
        "path": "Medication.code.coding",
        "sliceName": "claimDinPin",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Medication.code.coding:claimDinPin.system",
        "path": "Medication.code.coding.system",
        "comment": "Clients and BPCS system are required to differentiate whether drug is a DIN or PIN",
        "min": 1,
        "mustSupport": true,
        "binding": {
          "strength": "required",
          "valueSet": "https://bpcs.exchange/fhir/ValueSet/vs-DinPinSystem"
        }
      },
      {
        "id": "Medication.code.coding:claimDinPin.code",
        "path": "Medication.code.coding.code",
        "min": 1,
        "mustSupport": true,
        "mapping": [
          {
            "identity": "BPCS",
            "map": "DrugDTO.dinPin"
          }
        ]
      },
      {
        "id": "Medication.code.coding:claimDinPin.display",
        "path": "Medication.code.coding.display",
        "mustSupport": true,
        "mapping": [
          {
            "identity": "BPCS",
            "map": "DrugDTO.drugBrandName"
          }
        ]
      },
      {
        "id": "Medication.code.coding:generic",
        "path": "Medication.code.coding",
        "sliceName": "generic",
        "min": 1,
        "mustSupport": true
      },
      {
        "id": "Medication.code.coding:generic.system",
        "path": "Medication.code.coding.system",
        "min": 1,
        "patternUri": "http://terminology.hl7.org/CodeSystem/hc-CCDD"
      },
      {
        "id": "Medication.code.coding:generic.display",
        "path": "Medication.code.coding.display",
        "min": 1,
        "mustSupport": true,
        "mapping": [
          {
            "identity": "BPCS",
            "map": "DrugDTO.genericName"
          }
        ]
      },
      {
        "id": "Medication.doseForm",
        "path": "Medication.doseForm",
        "comment": "This will be the unlisted Compound type",
        "mustSupport": true,
        "binding": {
          "strength": "required",
          "valueSet": "https://bpcs.exchange/fhir/ValueSet/vs-UnlistedCompoundType"
        },
        "mapping": [
          {
            "identity": "BPCS",
            "map": "ClaimDetailDTO.unlistedComp"
          }
        ]
      }
    ]
  }
}