{
  "resourceType": "StructureDefinition",
  "url": "http://apiframework.dedalus.eu/fhir/StructureDefinition/extension-dosage-doseAndRate",
  "name": "extension-dosage-doseAndRate",
  "status": "active",
  "experimental": false,
  "description": "This extension mimic the changes between STU3 and R4 in fhir spec on Dosage data type, where the .dose element has been replaced by a .doseAndRate element",
  "fhirVersion": "3.0.1",
  "kind": "complex-type",
  "abstract": false,
  "contextType": "datatype",
  "context": [
    "Dosage"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "rules": "open"
        }
      },
      {
        "id": "Extension.extension:type",
        "path": "Extension.extension",
        "sliceName": "type",
        "short": "The kind of dose or rate specified",
        "max": "1"
      },
      {
        "id": "Extension.extension:type.url",
        "path": "Extension.extension.url",
        "fixedUri": "type"
      },
      {
        "id": "Extension.extension:type.value[x]:valueCodeableConcept",
        "path": "Extension.extension.valueCodeableConcept",
        "sliceName": "valueCodeableConcept",
        "type": [
          {
            "code": "CodeableConcept"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSetUri": "http://apiframework.dedalus.eu/fhir/ValueSet/DoseAndRateType"
        }
      },
      {
        "id": "Extension.extension:dose",
        "path": "Extension.extension",
        "sliceName": "dose",
        "short": "Amount of medication per dose",
        "max": "1"
      },
      {
        "id": "Extension.extension:dose.url",
        "path": "Extension.extension.url",
        "fixedUri": "dose"
      },
      {
        "id": "Extension.extension:dose.value[x]",
        "path": "Extension.extension.value[x]",
        "type": [
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          }
        ]
      },
      {
        "id": "Extension.extension:rate",
        "path": "Extension.extension",
        "sliceName": "rate",
        "short": "Amount of medication per unit of time",
        "max": "1"
      },
      {
        "id": "Extension.extension:rate.url",
        "path": "Extension.extension.url",
        "fixedUri": "rate"
      },
      {
        "id": "Extension.extension:rate.value[x]",
        "path": "Extension.extension.value[x]",
        "type": [
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://apiframework.dedalus.eu/fhir/StructureDefinition/extension-dosage-doseAndRate"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "max": "0"
      }
    ]
  }
}