{
  "url": "https://dantelabs.com/traits/histidinuria",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "histidinuria",
    "id": "HP:0002927",
    "name": "High urine histidine levels",
    "label": "Histidinuria",
    "definition": "An increased concentration of histidine in the urine.",
    "synonyms": [
      "Elevated histidine in urine"
    ],
    "systems": [
      {
        "slug": "abnormality-of-metabolism-homeostasis",
        "name": "Laboratory abnormality",
        "url": "https://dantelabs.com/traits/abnormality-of-metabolism-homeostasis"
      },
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "increased-proteinogenic-amino-acid-level-in-urine",
        "name": "Increased proteinogenic amino acid level in urine",
        "url": "https://dantelabs.com/traits/increased-proteinogenic-amino-acid-level-in-urine"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "hal",
        "symbol": "HAL",
        "hgnc": "HGNC:4806",
        "name": "histidine ammonia-lyase",
        "frequency": "obligate",
        "diseases": 2,
        "url": "https://dantelabs.com/genes/hal"
      }
    ]
  }
}