42 CFR § 456.144 - Data sources for studies.
Data that the committee uses to perform studies must be obtained from one or more of the following sources:
(a) Medical records or other appropriate hospital data;
(b) External organizations that compile statistics, design profiles, and produce other comparative data;
(c) Cooperative endeavors with -
(2) Fiscal agents;
(3) Other service providers; or
(4) Other appropriate agencies.