{
  "url": "https://dantelabs.com/traits/calcium-nephrolithiasis",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "calcium-nephrolithiasis",
    "id": "HP:0004724",
    "name": "Calcium kidney stone",
    "label": "Calcium nephrolithiasis",
    "definition": "The presence of calcium-containing calculi (stones) in the kidneys.",
    "synonyms": [
      "Ca kidney stone",
      "Ca nephrolithiasis",
      "Ca2+ kidney stone",
      "Ca2+ nephrolithiasis"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-genitourinary-system",
        "name": "Abnormality of the genitourinary system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-genitourinary-system"
      }
    ],
    "broader": [
      {
        "slug": "kidney-stone",
        "name": "Kidney stone",
        "url": "https://dantelabs.com/traits/kidney-stone"
      }
    ],
    "narrower": [
      {
        "slug": "calcium-oxalate-nephrolithiasis",
        "name": "Calcium oxalate nephrolithiasis",
        "genes": 17,
        "url": "https://dantelabs.com/traits/calcium-oxalate-nephrolithiasis"
      }
    ],
    "genes": [
      {
        "slug": "slc34a2",
        "symbol": "SLC34A2",
        "hgnc": "HGNC:11020",
        "name": "solute carrier family 34 member 2",
        "frequency": "very-rare",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc34a2"
      },
      {
        "slug": "slc34a3",
        "symbol": "SLC34A3",
        "hgnc": "HGNC:20305",
        "name": "solute carrier family 34 member 3",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc34a3"
      }
    ]
  }
}