ICD-9-CM/PCS

**Semantic type:** Classification

**Definition:** The International Classification of Diseases, Ninth Revision, Clinical Modification/Procedure Coding System is the U.S. health system's adaptation of international ICD-9 standard list of six-character alphanumeric codes used in hospital inpatient settings for inpatient procedure coding.

**Synonyms:** - ICD-9-PCS - International Classification of Diseases, Ninth Revision, Clinical Modification/Procedure Coding System