{"data":{"id":"us/42-cfr-456.51","jurisdiction":"us","citation":"42 CFR 456.51","heading":"Definitions.","body":"As used in this subpart:\nInpatient hospital services—\n(a) Include—\n(1) Services provided in an institution other than an institution for mental disease, as defined in § 440.10;\n(2) [Reserved]\n(3) Services provided in specialty hospitals and\n(b) Exclude services provided in mental hospitals. Utilization control requirements for mental hospitals appear in subpart D.\nMedical care appraisal norms or norms means numerical or statistical measures of usually observed performance.\nMedical 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.","path":["Title 42—Public Health","CHAPTER IV—CENTERS FOR MEDICARE \u0026 MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER C—MEDICAL ASSISTANCE PROGRAMS","PART 456—UTILIZATION CONTROL","Subpart C—Utilization Control: Hospitals"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"a779acdddf3dfc62c7555b8884fe8cf586f2bd04ff2b6866c27daf568c80480d","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-456.50","next":"us/42-cfr-456.60"},"notice":"GroundRules: Original legal text. Not legal advice."}