{
  "data": {
    "__count": 1,
    "__licence": {
      "identifier": "CC-BY-4.0",
      "link": "https://creativecommons.org/licenses/by/4.0",
      "name": "Creative Commons Attribution 4.0 International"
    },
    "results": {
      "Date": "2026-06-23 07:53:50",
      "DisorderDisorderAssociation": null,
      "DisorderFlag": [
        {
          "Label": null,
          "Value": 1
        }
      ],
      "DisorderGroup": "Disorder",
      "ExternalReference": [
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": null,
          "DisorderMappingRelation": "E (Exact mapping: the two concepts are equivalent)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "10572",
          "Source": "GARD"
        },
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": "Attributed code (ICD-10/ICD-11: The targeted code is assigned by Orphanet)",
          "DisorderMappingRelation": "NTBT (ORPHAcode is narrower than the targeted code used to represent it)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "Q87.8",
          "Source": "ICD-10"
        },
        {
          "DisorderMappingICDRefUri": 37828597,
          "DisorderMappingICDRefUrl": "https://icd.who.int/browse/latest-release/mms/en#442347652%2fother",
          "DisorderMappingICDRelation": "Index term (ICD-10: Orphanet entity listed in the ICD-10 Index. ICD-11: Orphanet entity listed in the ICD-11 Foundation)",
          "DisorderMappingRelation": "NTBT (ORPHAcode is narrower than the targeted code used to represent it)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "8A03.1Y",
          "Source": "ICD-11"
        },
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": null,
          "DisorderMappingRelation": "E (Exact mapping: the two concepts are equivalent)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "0010278",
          "Source": "MONDO"
        },
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": null,
          "DisorderMappingRelation": "E (Exact mapping: the two concepts are equivalent)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "C567484",
          "Source": "MeSH"
        },
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": null,
          "DisorderMappingRelation": "E (Exact mapping: the two concepts are equivalent)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "300243",
          "Source": "OMIM"
        },
        {
          "DisorderMappingICDRefUri": null,
          "DisorderMappingICDRefUrl": null,
          "DisorderMappingICDRelation": null,
          "DisorderMappingRelation": "E (Exact mapping: the two concepts are equivalent)",
          "DisorderMappingValidationStatus": "Validated",
          "Reference": "C2678194",
          "Source": "UMLS"
        }
      ],
      "ORPHAcode": 85278,
      "OrphanetURL": "http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=85278",
      "Preferred term": "Christianson syndrome",
      "SummaryInformation": [
        {
          "Definition": "A rare developmental defect during embryogenesis characterized by intellectual deficit, ataxia, postnatal microcephaly, and hyperkinesis."
        }
      ],
      "Synonym": [
        "X-linked Angelman-like syndrome"
      ],
      "Typology": "Malformation syndrome"
    }
  },
  "datasetCategory": {
    "lang": "en",
    "name": "Rare diseases and cross-referencing"
  },
  "parameters": {
    "path": {
      "ORPHAcode": 85278
    },
    "query": {}
  },
  "uri": "https://api.orphadata.com/rd-cross-referencing/orphacodes/85278"
}
