LOINC lab test search

GET https://api.api.sh/medical-codes/v1/lab-tests
1 credit / call government & registries try it in the playground →

LOINC codes for lab tests and clinical observations matching words: LOINC number, name, long and short names, component, property, method and related names, with a link to the LOINC page. Pass next_page back as page; null on the last page. Each code also has datatype and units (the usual result units, where known).

Every response includes credits_used: the credits this call cost.

Parameters

nametypedescription
qrequired string Test words. Example: hemoglobin a1c
limit integer Codes per page, 1-500. Example: 25
page integer Page number, starting at 1. Pass next_page back as page; it is null on the last page. Example: 1

Every endpoint also takes fresh, raw, fields (see lean responses and caching).

Example

curl "https://api.api.sh/medical-codes/v1/lab-tests?q=hemoglobin+a1c" \
  -H "x-api-key: $APISH_KEY"

Response

A JSON object with the fields described above, plus raw (the source's own data), cached, fetched_at and credits_used. Errors return {"success": false, "error": "…"} with the HTTP status (see errors). A lookup that ran but found nothing (404) costs the price above; refused calls and errors on our side are free (what's charged).

The fastest way to see the full response is the playground: it runs this endpoint with your account and shows the exact JSON.