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Source1

{
  "resourceType": "CodeSystem",
  "id": "imm-data-component-cs",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "url": "https://hl7.eu/fhir/ig/hl7.eu.fhir.protect-child/CodeSystem/imm-data-component-cs",
  "version": "0.1.0-ci-build",
  "name": "ImmDataComponentCS",
  "title": "Immunological Data Component Codes",
  "status": "draft",
  "experimental": true,
  "date": "2026-08-11T12:50:29+00:00",
  "publisher": "Protect Child",
  "contact": [
    {
      "name": "Protect Child",
      "telecom": [
        {
          "system": "url",
          "value": "https://protect-child.eu/"
        }
      ]
    }
  ],
  "description": "Local component codes for immunological data panel slices. HLA allele positions use per-position codes (hla-a-1, hla-a-2, …) so that pattern-discriminator slicing can distinguish allele 1 from allele 2. Non-HLA codes cover DSA, Banff, C4d, ANCA, and related fields.",
  "caseSensitive": true,
  "content": "complete",
  "count": 22,
  "concept": [
    {
      "code": "hla-a-1",
      "display": "HLA-A allele 1",
      "definition": "HLA-A locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-a-2",
      "display": "HLA-A allele 2",
      "definition": "HLA-A locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "hla-b-1",
      "display": "HLA-B allele 1",
      "definition": "HLA-B locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-b-2",
      "display": "HLA-B allele 2",
      "definition": "HLA-B locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "hla-c-1",
      "display": "HLA-C allele 1",
      "definition": "HLA-C locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-c-2",
      "display": "HLA-C allele 2",
      "definition": "HLA-C locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "hla-drb1-1",
      "display": "HLA-DRB1 allele 1",
      "definition": "HLA-DRB1 locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-drb1-2",
      "display": "HLA-DRB1 allele 2",
      "definition": "HLA-DRB1 locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "hla-dp-1",
      "display": "HLA-DP allele 1",
      "definition": "HLA-DP locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-dp-2",
      "display": "HLA-DP allele 2",
      "definition": "HLA-DP locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "hla-dqb1-1",
      "display": "HLA-DQB1 allele 1",
      "definition": "HLA-DQB1 locus, allele 1 (IMGT/HLA typing)."
    },
    {
      "code": "hla-dqb1-2",
      "display": "HLA-DQB1 allele 2",
      "definition": "HLA-DQB1 locus, allele 2 (IMGT/HLA typing)."
    },
    {
      "code": "pre-tx-dsa",
      "display": "Pre-transplant anti-HLA DSA",
      "definition": "Pre-transplant anti-HLA donor-specific antibody status."
    },
    {
      "code": "post-tx-dsa-class",
      "display": "Post-transplant anti-HLA DSA class",
      "definition": "HLA class of post-transplant anti-HLA donor-specific antibody."
    },
    {
      "code": "mfi-category",
      "display": "MFI category",
      "definition": "Mean fluorescence intensity category of the detected antibody."
    },
    {
      "code": "banff-category",
      "display": "Banff rejection category",
      "definition": "Banff classification category assigned on allograft biopsy."
    },
    {
      "code": "ihc-if-c4d",
      "display": "IHC/IF C4d result",
      "definition": "C4d result by immunohistochemistry / immunofluorescence."
    },
    {
      "code": "if-result",
      "display": "Immunofluorescence result",
      "definition": "Immunofluorescence examination result."
    },
    {
      "code": "c4d-result",
      "display": "C4d result detail",
      "definition": "Detailed C4d staining result."
    },
    {
      "code": "anca",
      "display": "ANCA result",
      "definition": "Anti-neutrophil cytoplasmic antibody (ANCA) result."
    },
    {
      "code": "antibody-type",
      "display": "Antibody type specification",
      "definition": "Specification of the antibody type detected."
    },
    {
      "code": "anti-hla-antibodies",
      "display": "Presence of anti-HLA antibodies",
      "definition": "Presence of anti-HLA antibodies."
    }
  ]
}