42 CFR §456.51
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
As used in this subpart:
Inpatient hospital services—
Medical care appraisal norms or norms means numerical or statistical measures of usually observed performance.
Medical care criteria or criteria means predetermined elements against which aspects of the quality of a medical service may be compared. These criteria are developed by health professionals relying on their expertise and the professional health care literature.