{
  "resourceType": "StructureDefinition",
  "id": "Extension-UKCore-MedicationDosageLastChanged",
  "url": "https://fhir.nhs.uk/R4/StructureDefinition/Extension-UKCore-MedicationDosageLastChanged",
  "version": "1.1.0",
  "name": "ExtensionUKCoreMedicationDosageLastChanged",
  "title": "Extension UK Core Medication Dosage Last Changed",
  "status": "draft",
  "date": "2020-02-11",
  "publisher": "HL7 UK",
  "contact": [
    {
      "name": "HL7 UK",
      "telecom": [
        {
          "system": "email",
          "value": "secretariat@hl7.org.uk",
          "use": "work",
          "rank": 1
        }
      ]
    },
    {
      "name": "NHS Digital",
      "telecom": [
        {
          "system": "email",
          "value": "interoperabilityteam@nhs.net",
          "use": "work",
          "rank": 2
        }
      ]
    }
  ],
  "description": "This extension has been developed to indicate the date and time the dosage instructions were last changed.",
  "copyright": "Copyright © 2020 HL7 UK Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at  http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. HL7® FHIR® standard Copyright © 2011+ HL7  The HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at  https://www.hl7.org/fhir/license.html.",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "MedicationStatement"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "The date when the dosage instructions were last changed.",
        "definition": "The date when the dosage instructions were last changed.",
        "max": "1"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://fhir.nhs.uk/R4/StructureDefinition/Extension-UKCore-MedicationDosageLastChanged"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ]
      }
    ]
  }
}