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Packagefhir.nwgenomics.nhs.uk
Resource TypeCodeSystem
IdCodeSystem-Histotrac.json
FHIR VersionR4
Sourcehttps://build.fhir.org/ig/nw-gmsa/nw-gmsa.github.com/CodeSystem-Histotrac.html
URLhttps://fhir.nwgenomics.nhs.uk/CodeSystem/Histotrac
Version2.2.0
Statusactive
Date2026-09-04
NameHistotrac
TitleHistotrac Test Codes
Realmus
Authorityhl7
DescriptionLocal test-order codes from **Histotrac**, the Histocompatibility and Immunogenetics LIMS - see [Histocompatibility and Immunogenetics](HistocompatibilityAndImmunogenetics.html), [HLA Tests - Transplant Ask At Order Entry](Questionnaire-HLATestsTransplantAskAtOrderEntry.html) and [Chimerism Testing Blood (PB) Ask At Order Entry](Questionnaire-ChimerismTestingAskAtOrderEntry.html). Sourced as HL7 v2 CE (coded element)-style `code^text^codingSystem` strings, both from the `HISTOTRACEAP` coding system: - `XTRANSPX_HLAAS^HLA ANTIBODY SCREENING^HISTOTRACEAP` - `CHIMBTP^CHIMERISM TESTING - PERFORMABLE^HISTOTRACEAP` These are the raw LIMS test-order codes, distinct from the local `NWGMSA` answer options (e.g. `HLAAntibodyScreening`, `ChimerismPeripheralBlood`) used on the Ask At Order Entry Questionnaires' own order-entry choice items - those model the order-entry UI selection, these are what Histotrac itself calls the resulting order.
Contentfragment

Resources that use this resource

ValueSet
fhir.nwgenomics.nhs.uk#currentGenomicTestCodesGenomic Test Codes

Resources that this resource uses

No resources found

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: CodeSystem Histotrac

This case-sensitive code system https://fhir.nwgenomics.nhs.uk/CodeSystem/Histotrac provides a fragment that includes following codes:

CodeDisplay
XTRANSPX_HLAAS HLA ANTIBODY SCREENING
CHIMBTP CHIMERISM TESTING - PERFORMABLE

Source1

{
  "resourceType": "CodeSystem",
  "id": "Histotrac",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "url": "https://fhir.nwgenomics.nhs.uk/CodeSystem/Histotrac",
  "version": "2.2.0",
  "name": "Histotrac",
  "title": "Histotrac Test Codes",
  "status": "active",
  "experimental": false,
  "date": "2026-09-04",
  "publisher": "NHS North West Genomics",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "https://www.nwgenomics.nhs.uk/contact-us"
        }
      ]
    }
  ],
  "description": "Local test-order codes from **Histotrac**, the Histocompatibility and\nImmunogenetics LIMS - see [Histocompatibility and\nImmunogenetics](HistocompatibilityAndImmunogenetics.html), [HLA Tests -\nTransplant Ask At Order Entry](Questionnaire-HLATestsTransplantAskAtOrderEntry.html)\nand [Chimerism Testing Blood (PB) Ask At Order\nEntry](Questionnaire-ChimerismTestingAskAtOrderEntry.html). Sourced as HL7\nv2 CE (coded element)-style `code^text^codingSystem` strings, both from the\n`HISTOTRACEAP` coding system:\n\n- `XTRANSPX_HLAAS^HLA ANTIBODY SCREENING^HISTOTRACEAP`\n- `CHIMBTP^CHIMERISM TESTING - PERFORMABLE^HISTOTRACEAP`\n\nThese are the raw LIMS test-order codes, distinct from the local `NWGMSA`\nanswer options (e.g. `HLAAntibodyScreening`, `ChimerismPeripheralBlood`)\nused on the Ask At Order Entry Questionnaires' own order-entry choice\nitems - those model the order-entry UI selection, these are what Histotrac\nitself calls the resulting order.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "urn:iso:std:iso:3166",
          "code": "GB",
          "display": "United Kingdom of Great Britain and Northern Ireland"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "content": "fragment",
  "concept": [
    {
      "code": "XTRANSPX_HLAAS",
      "display": "HLA ANTIBODY SCREENING"
    },
    {
      "code": "CHIMBTP",
      "display": "CHIMERISM TESTING - PERFORMABLE"
    }
  ]
}