{
  "description": "This profile defines the NHSE constraints and extensions on the UK FHIR resource, in order to represent an individual laboratory test and result value.",
  "_filename": "England-Observation-Lab-Pathology.json",
  "package_name": "fhir.r4.nhsengland.programme",
  "date": "2026-01-26",
  "derivation": "constraint",
  "publisher": "NHS England",
  "fhirVersion": "4.0.1",
  "purpose": "To provide the minimum expectations for each individual laboratory test. This includes the NHSE requirements for PaLM and PBCL Codes in Observation.code",
  "name": "EnglandObservationLabPathology",
  "abstract": false,
  "copyright": "Copyright © 2021+ 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.",
  "type": "Observation",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "title": "England Observation Lab Pathology",
  "package_version": "0.23.3-pre-release",
  "status": "draft",
  "id": "e2a1c8f6-6c86-44fc-ac64-d04a6dbc6d76",
  "kind": "resource",
  "url": "https://fhir.nhs.uk/England/StructureDefinition/England-Observation-Lab-Pathology",
  "version": "0.2.0",
  "differential": {
    "element": [ {
      "id": "Observation.code.coding",
      "path": "Observation.code.coding",
      "slicing": {
        "rules": "open",
        "description": "Slicing for Pathology to differentiate between the SNOMED CT ValueSets, PaLM and PCBL"
      }
    }, {
      "id": "Observation.code.coding.extension:reference",
      "path": "Observation.code.coding.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/StructureDefinition/valueset-reference" ]
      } ],
      "sliceName": "reference"
    }, {
      "id": "Observation.code.coding:pathology-PaLM",
      "path": "Observation.code.coding",
      "binding": {
        "strength": "extensible",
        "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-PathologyAndLaboratoryMedicineObservables",
        "description": "This slice is to denote the code comes from the Pathology and laboratory medicine observable entity simple reference set"
      },
      "sliceName": "pathology-PaLM"
    }, {
      "id": "Observation.code.coding:pathology-PaLM.extension:reference-palm-observables",
      "path": "Observation.code.coding.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/StructureDefinition/valueset-reference" ]
      } ],
      "sliceName": "reference-palm-observables"
    }, {
      "id": "Observation.code.coding:pathology-PaLM.extension:reference-palm-observables.value[x]",
      "path": "Observation.code.coding.extension.value[x]",
      "fixedUri": "https://fhir.hl7.org.uk/ValueSet/UKCore-PathologyAndLaboratoryMedicineObservables"
    }, {
      "id": "Observation.code.coding:pathology-PBCL",
      "path": "Observation.code.coding",
      "binding": {
        "strength": "extensible",
        "valueSet": "https://fhir.hl7.org.uk/ValueSet/UKCore-PathologyBoundedCodeListObservables",
        "description": "This slice is to denote the code comes from the Pathology Bounded Code List observables simple reference set"
      },
      "sliceName": "pathology-PBCL"
    }, {
      "id": "Observation.code.coding:pathology-PBCL.extension:reference-pbcl-observables",
      "path": "Observation.code.coding.extension",
      "type": [ {
        "code": "Extension",
        "profile": [ "http://hl7.org/fhir/StructureDefinition/valueset-reference" ]
      } ],
      "sliceName": "reference-pbcl-observables"
    }, {
      "id": "Observation.code.coding:pathology-PBCL.extension:reference-pbcl-observables.value[x]",
      "path": "Observation.code.coding.extension.value[x]",
      "fixedUri": "https://fhir.hl7.org.uk/ValueSet/UKCore-PathologyBoundedCodeListObservables"
    } ]
  },
  "contact": [ {
    "name": "NHS England",
    "telecom": [ {
      "use": "work",
      "rank": 1,
      "value": "interoperabilityteam@nhs.net",
      "system": "email"
    } ]
  } ],
  "baseDefinition": "https://fhir.hl7.org.uk/StructureDefinition/UKCore-Observation-Lab"
}