Get the file from CMS Copy link
Direct download: 25clabq1.zip
SHA-256 of the file we ingested: 03002de131d1cf0dce7334ef017335e6b47b1bdb550ee76e6eb6097af98b36b3
Direct CMS links break when cms.gov reorganizes. The stable fallback is the official CMS Clinical Lab Fee Schedule files page.
Files inside this release Copy link
These are the member files we parsed, as recorded when we loaded them. Row counts and checksums let anyone verify our copy against CMS's.
| File | What it is | Rows |
|---|---|---|
|
CLFS 2025 Q1V1.csv
SHA-256 d0812ae464a2…
|
clfs | 2,087 |
Files without a download link carry a descriptor column that isn't licensed for redistribution and couldn't be safely removed automatically. Their columns are documented below all the same, and CMS's own copy is one click up.
What the columns mean Copy link
CMS publishes these files with minimal documentation, and both the column names and their order drift between releases—which is why we parse by header name, never by position. Any column position shown here is the one we recorded when parsing this release.
Where this release is used on this site Copy link
These base units back the anesthesia payment estimates on our code pages. Ingested Aug 7, 2026. See how the whole process works in our methodology.