{
  "release_id": "5dcd9b263fe17744",
  "id": "cardio:ldl-cholesterol",
  "owner": "cardio",
  "kind": "biomarker",
  "slug": "ldl-cholesterol",
  "name": "LDL cholesterol blood test",
  "aliases": [
    "LDL",
    "LDL-C",
    "Low-density lipoprotein cholesterol"
  ],
  "atlases": [
    "cardio"
  ],
  "summary_plain": "A blood test that measures the amount of LDL cholesterol in your blood. How often you should have the test depends on your age, risk factors and family history.",
  "summary_technical": "MedlinePlus says a blood test measures cholesterol levels including LDL and that the timing depends on age, risk factors and family history. In the lipid trials in this atlas LDL cholesterol is the measured effect of the medicine, for example in mg/dL or mmol/L at 48 weeks in FOURIER.",
  "editorial_state": "draft",
  "last_substantive_edit": "2026-10-14",
  "last_evidence_check": "2026-10-14",
  "next_review_due": null,
  "identifiers": [],
  "navigation": {
    "cardio": {
      "system": [
        "metabolism"
      ],
      "condition-area": [
        "coronary-and-vascular-disease"
      ]
    }
  },
  "payload": {
    "measure": "Concentration of LDL cholesterol in blood, reported in mg per deciliter or mmol per liter",
    "assay_context": "Blood test; timing and frequency depend on age, risk factors and family history (MedlinePlus)",
    "interpretation_claims": []
  },
  "content_digest": "c33834391b50f1c025ceb8c7629936667e60003659d3ce445ca92965799549f6",
  "review": {
    "content_digest": "c33834391b50f1c025ceb8c7629936667e60003659d3ce445ca92965799549f6",
    "current": [],
    "conflicting": [],
    "stale": [],
    "inactive": []
  },
  "claims": [],
  "decisions": [],
  "milestones": [],
  "relationships": {
    "outgoing": [
      {
        "predicate": "related_to",
        "label": "The test that defines it",
        "clinical_claim_not_fact": false,
        "family": "navigation",
        "other_entity_id": "cardio:high-ldl-cholesterol",
        "other_entity_in_atlas": true,
        "claim_id": null,
        "evidence": null,
        "primary": false,
        "role": null,
        "valid_from": null,
        "valid_to": null
      }
    ],
    "incoming": [
      {
        "predicate": "related_to",
        "label": "Related to",
        "clinical_claim_not_fact": false,
        "family": "navigation",
        "other_entity_id": "core:medlineplus",
        "other_entity_in_atlas": true,
        "claim_id": null,
        "evidence": null,
        "primary": false,
        "role": null,
        "valid_from": null,
        "valid_to": null
      },
      {
        "predicate": "investigates",
        "label": "Investigated in",
        "clinical_claim_not_fact": false,
        "family": "sourced",
        "other_entity_id": "cardio:fourier",
        "other_entity_in_atlas": true,
        "claim_id": null,
        "evidence": {
          "snapshot_id": "cardio:ctgov-nct01764633-2026-10-14",
          "locator": "protocolSection.identificationModule.officialTitle"
        },
        "primary": false,
        "role": null,
        "valid_from": null,
        "valid_to": null
      }
    ]
  },
  "page_path": "biomarkers/ldl-cholesterol/",
  "context_path": "api/v1/context/cardio--ldl-cholesterol.md"
}