MRF correctly encodes how each charge was established

What it checks

Each negotiated rate says how it was set, such as a fee schedule, a case rate or a percentage of billed charges, using CMS's list of methods.

Checked by CMS's validator. Care Carta runs the official validator CMS publishes for price files and reads this result from its output.

How hospitals did

Results as of Oct 5, 2026. The most common reasons are on the Standard charges page.

How Care Carta decides

Validator completed with no mapped methodology error.

Scope: methodology is required and restricted to CMS-defined values; other requires notes.

Depends on: The CMS validator finished

Version

Today's results all use this ruleset. A check never changes without a new ruleset. Full catalog (JSON)