MRF correctly encodes the de-identified minimum negotiated charge

What it checks

Where the file gives negotiated rates in dollars, it also gives the lowest rate the hospital negotiated with any insurer, without naming the insurer.

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 conditional minimum error.

Scope: Required when a payer-specific negotiated charge is encoded as a dollar amount.

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)