title: Implications of Medicare's review of gastroenterology endoscopy codes.
authors.affiliation: Department of Medicine, Yale University School of Medicine, New Haven, CT.
authors.forename: John I
authors.initials: JI
authors.lastname: Allen
mesh_terms: D059019:Clinical Coding; D016099:Endoscopy, Gastrointestinal / Q000145:classification* / Q000379:methods; D005762:Gastroenterology / Q000379:methods*; D006801:Humans; D006278:Medicare; D014481:United States