{
  "id": 5662,
  "label": "lymphopenia",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003783",
  "properties": {
    "xrefs": [
      "DOID:614",
      "HP:0001888",
      "ICD10CM:D72.810",
      "ICD9:288.51",
      "ICD9:288.8",
      "MEDGEN:7418",
      "MESH:D008231",
      "SCTID:48813009",
      "UMLS:C0024312",
      "icd11.foundation:298296736"
    ],
    "synonyms": [
      "lymphocytopenia",
      "lymphopenia",
      "lymphopenia (disease)"
    ],
    "categories": [
      {
        "ref": "MONDO:0005046",
        "name": "immune system disorder"
      },
      {
        "ref": "MONDO:0005570",
        "name": "hematologic disorder"
      }
    ],
    "definition": "Reduction in the number of lymphocytes."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 1,
  "parents": [
    {
      "id": 5664,
      "label": "leukopenia",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6569
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:615",
          "ICD9:288.50",
          "MEDGEN:6073",
          "MESH:D007970",
          "NCIT:C26816",
          "SCTID:84828003",
          "UMLS:C0023530"
        ],
        "synonyms": [
          "White blood cell decreased",
          "leukocytopenia"
        ],
        "categories": [
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          },
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ],
        "definition": "A laboratory test result indicating a decreased number of white blood cells in the peripheral blood."
      },
      "child_count": 2,
      "reference_id": "MONDO:0003785"
    }
  ],
  "children": [
    {
      "id": 7423,
      "label": "idiopathic CD4-positive T-lymphocytopenia",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        5659,
        5662,
        24405
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3109",
          "GARD:0024233",
          "MEDGEN:64647",
          "MESH:D018344",
          "NCIT:C84780",
          "UMLS:C0206744"
        ],
        "categories": [
          {
            "ref": "MONDO:0005046",
            "name": "immune system disorder"
          },
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ],
        "definition": "A rare immunodeficiency syndrome characterized by the decrease of the CD4-positive lymphocytes below 300 per cubic millimeter in the absence of identifiable immunodeficiency causes. Patients with this syndrome are at an increased risk of opportunistic infections."
      },
      "child_count": 0,
      "reference_id": "MONDO:0005807"
    }
  ],
  "roots": [
    {
      "id": 5664,
      "label": "leukopenia"
    }
  ]
}