ICD-10-CM and ICD-10-PCS

Centers for Disease Control and Prevention (CDC) / Centers for Medicare & Medicaid Services (CMS)
HDB-0482

ICD-10-CM (Clinical Modification) is the US diagnostic coding system maintained by CDC for classifying diagnoses and reasons for visits in all healthcare settings, while ICD-10-PCS (Procedure Coding System) is the inpatient procedure coding system maintained by CMS. Both replace their ICD-9 predecessors and are the official coding standards for U.S. healthcare billing and reporting.

Category
Terminology
Access
Open access
Region
US — US
Coverage
All diagnoses, conditions, and inpatient procedures in U.S. healthcare settings
License / terms
Public domain
Data types
diagnosis codes, procedure codes

Record HDB-0482 · last verified 2026-08-23 · listed in Terminology & standards

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