What is the difference between ICD-10-CM and ICD-10-PCS

The International Classification of Diseases, 10th Edition, Clinical Modification (ICD-10-CM) is a code set used to classify diagnoses in both the inpatient and outpatient setting.

The International Classification of Diseases, 10th Edition, Procedure Coding System (ICD-10-PCS) is a coding system used to classify procedures performed in the inpatient setting.