Coverage
Check what the catalog covers today.
We read every number on this page from the live API and refresh it daily. We load the public test catalogs of Quest Diagnostics and Labcorp.
7,388
biomarkers with at least one lab test that measures them
6,968
orderable lab tests mapped to the analytes they measure
Scope
- Catalog facts cite the lab's own test page.
- Reference ranges name their lab or guideline body and population, never a single “normal range”.
- Clinical trials appear as a ClinicalTrials.gov search link per biomarker; the API does not count trials.
Query the same data through the API reference.