{
  "resourceType": "StructureDefinition",
  "url": "https://digit.org/fhir/StructureDefinition/DIGITHCMInventoryItem",
  "version": "1.0.3",
  "name": "DIGITHCMInventoryItem",
  "title": "HCM InventoryItem",
  "status": "active",
  "experimental": false,
  "date": "2025-08-10",
  "publisher": "DIGIT HCM",
  "description": "InventoryItem profile for DIGIT HCM supply-chain interoperability. Uses value discrimination on nameType.code and has no unsliced name.* constraints.",
  "fhirVersion": "5.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "InventoryItem",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/InventoryItem",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "InventoryItem.identifier",
        "path": "InventoryItem.identifier",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "system"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 3
      },
      {
        "id": "InventoryItem.identifier:ProductID",
        "path": "InventoryItem.identifier",
        "sliceName": "ProductID",
        "min": 1,
        "max": "1"
      },
      {
        "id": "InventoryItem.identifier:ProductID.system",
        "path": "InventoryItem.identifier.system",
        "min": 1,
        "fixedUri": "http://digit.org/fhir/productID"
      },
      {
        "id": "InventoryItem.identifier:ProductID.value",
        "path": "InventoryItem.identifier.value",
        "min": 1
      },
      {
        "id": "InventoryItem.identifier:productVariant",
        "path": "InventoryItem.identifier",
        "sliceName": "productVariant",
        "min": 1,
        "max": "1"
      },
      {
        "id": "InventoryItem.identifier:productVariant.system",
        "path": "InventoryItem.identifier.system",
        "min": 1,
        "fixedUri": "http://digit.org/fhir/productVariant-identifier"
      },
      {
        "id": "InventoryItem.identifier:productVariant.value",
        "path": "InventoryItem.identifier.value",
        "min": 1
      },
      {
        "id": "InventoryItem.identifier:productVariantSku",
        "path": "InventoryItem.identifier",
        "sliceName": "productVariantSku",
        "min": 1,
        "max": "1"
      },
      {
        "id": "InventoryItem.identifier:productVariantSku.system",
        "path": "InventoryItem.identifier.system",
        "min": 1,
        "fixedUri": "http://digit.org/fhir/productVariantSku-identifier"
      },
      {
        "id": "InventoryItem.identifier:productVariantSku.value",
        "path": "InventoryItem.identifier.value",
        "min": 1
      },
      {
        "id": "InventoryItem.status",
        "path": "InventoryItem.status",
        "fixedCode": "active"
      },
      {
        "id": "InventoryItem.category.coding.system",
        "path": "InventoryItem.category.coding.system",
        "fixedUri": "http://digit.org/fhir/CodeSystem/ProductVariant-Producttype"
      },
      {
        "id": "InventoryItem.name",
        "path": "InventoryItem.name",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "nameType.code"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 2
      },
      {
        "id": "InventoryItem.name:tradename",
        "path": "InventoryItem.name",
        "sliceName": "tradename",
        "min": 1,
        "max": "1"
      },
      {
        "id": "InventoryItem.name:tradename.nameType.system",
        "path": "InventoryItem.name.nameType.system",
        "fixedUri": "http://hl7.org/fhir/inventoryitem-nametype"
      },
      {
        "id": "InventoryItem.name:tradename.nameType.code",
        "path": "InventoryItem.name.nameType.code",
        "fixedCode": "trade-name"
      },
      {
        "id": "InventoryItem.name:tradename.language",
        "path": "InventoryItem.name.language",
        "fixedCode": "en-US"
      },
      {
        "id": "InventoryItem.name:commonName",
        "path": "InventoryItem.name",
        "sliceName": "commonName",
        "min": 1,
        "max": "1"
      },
      {
        "id": "InventoryItem.name:commonName.nameType.system",
        "path": "InventoryItem.name.nameType.system",
        "fixedUri": "http://hl7.org/fhir/inventoryitem-nametype"
      },
      {
        "id": "InventoryItem.name:commonName.nameType.code",
        "path": "InventoryItem.name.nameType.code",
        "fixedCode": "alias"
      },
      {
        "id": "InventoryItem.responsibleOrganization.role.coding.system",
        "path": "InventoryItem.responsibleOrganization.role.coding.system",
        "fixedUri": "http://digit.org/fhir/CodeSystem/responsibleOrganization-role"
      },
      {
        "id": "InventoryItem.responsibleOrganization.role.coding.code",
        "path": "InventoryItem.responsibleOrganization.role.coding.code",
        "fixedCode": "manufacturer"
      },
      {
        "id": "InventoryItem.association.associationType.coding.system",
        "path": "InventoryItem.association.associationType.coding.system",
        "min": 1,
        "fixedUri": "https://digit.org/CodeSystem/ProductAssociationType"
      },
      {
        "id": "InventoryItem.association.associationType.coding.code",
        "path": "InventoryItem.association.associationType.coding.code",
        "min": 1
      },
      {
        "id": "InventoryItem.association.relatedItem",
        "path": "InventoryItem.association.relatedItem",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://digit.org/fhir/StructureDefinition/DIGITHCMInventoryItem",
              "http://hl7.org/fhir/StructureDefinition/InventoryItem",
              "http://hl7.org/fhir/StructureDefinition/Medication",
              "http://hl7.org/fhir/StructureDefinition/MedicationKnowledge",
              "http://hl7.org/fhir/StructureDefinition/Device",
              "http://hl7.org/fhir/StructureDefinition/DeviceDefinition",
              "http://hl7.org/fhir/StructureDefinition/NutritionProduct",
              "http://hl7.org/fhir/StructureDefinition/BiologicallyDerivedProduct"
            ]
          }
        ]
      },
      {
        "id": "InventoryItem.instance.identifier.type.coding.system",
        "path": "InventoryItem.instance.identifier.type.coding.system",
        "min": 1
      },
      {
        "id": "InventoryItem.instance.identifier.type.coding.code",
        "path": "InventoryItem.instance.identifier.type.coding.code",
        "min": 1
      },
      {
        "id": "InventoryItem.instance.location",
        "path": "InventoryItem.instance.location",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "https://digit.org/fhir/StructureDefinition/DIGITHCMFacilityLocation",
              "http://hl7.org/fhir/StructureDefinition/Location",
              "https://digit.org/fhir/StructureDefinition/DIGITHCMBoundary"
            ]
          }
        ]
      }
    ]
  }
}