title: ICD-10-PCS root operation guidelines.
authors.affiliation: AHIMA, USA. ann.zeisset@ahima.org
authors.forename: Ann
authors.initials: A
authors.lastname: Zeisset
mesh_terms: D017050:Episode of Care; D005568:Forms and Records Control / Q000592:standards*; D017408:Guidelines as Topic; D006801:Humans; D038801:International Classification of Diseases; D018875:Vocabulary, Controlled