title: Recommendation for a single procedure classification system. National Committee on Vital and Health Statistics Subcommittee on Medical Classification Systems.
mesh_terms: D000043:Abstracting and Indexing / Q000592:standards*; D000553:Ambulatory Care / Q000145:classification*; D003953:Diagnosis-Related Groups / Q000145:classification*; D006801:Humans; D008499:Medical Records / Q000145:classification*; D009309:National Center for Health Statistics, U.S.; D009626:Terminology as Topic; D013812:Therapeutics / Q000145:classification*; D014481:United States