# CMS Hospital Price Transparency

Federal rule behind hospital cash-price files.

The CMS Hospital Price Transparency page explains the federal rule that requires hospitals to post standard charges in a machine-readable file. Those files are the source of hospital cash prices for MRI CPT codes.

Price: free. Site: https://www.cms.gov/priorities/key-initiatives/hospital-price-transparency.

Also on the [web page](https://mriprices.fyi/apps/cms-hospital-price-transparency).