{
  "url": "https://dantelabs.com/traits/abnormal-csf-pterin-concentration",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "abnormal-csf-pterin-concentration",
    "id": "HP:0040207",
    "name": "Abnormal CSF pterin concentration",
    "definition": "Abnormal concentration of a pterin in the cerebrospinal fluid (CSF).",
    "synonyms": [
      "Abnormal cerebrospinal fluid biopterin level",
      "Abnormal CSF biopterin level"
    ],
    "systems": [
      {
        "slug": "abnormality-of-metabolism-homeostasis",
        "name": "Laboratory abnormality",
        "url": "https://dantelabs.com/traits/abnormality-of-metabolism-homeostasis"
      },
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-csf-metabolite-concentration",
        "name": "Abnormal CSF metabolite concentration",
        "url": "https://dantelabs.com/traits/abnormal-csf-metabolite-concentration"
      }
    ],
    "narrower": [
      {
        "slug": "decreased-csf-biopterin-level",
        "name": "Decreased CSF biopterin level",
        "genes": 2,
        "url": "https://dantelabs.com/traits/decreased-csf-biopterin-level"
      }
    ],
    "genes": []
  }
}