NLM logo

Unified Medical Language System (UMLS)

UMLS Vocabularies

ICD10PCS (ICD-10 Procedure Coding System) - Synopsis

Search ICD10PCS in the UMLS Metathesaurus
(requires a free UMLS license)

Web site:

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) was developed for the Centers for Medicare and Medicaid Services (CMS).

CMS is the U.S. governmental agency responsible for overseeing all changes and modifications to the ICD-10-PCS.

ICD-10-PCS is being developed as the successor to Volume 3 of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). For more information about ICD-9-CM, see the ICD-9-CM source synopsis.

ICD-10-PCS will be the official system of assigning codes to procedures associated with hospital utilization in the United States. ICD-10-PCS codes will support data collection, payment and electronic health records.

ICD-10-PCS is a medical classification coding system for procedural codes.

ICD-10-PCS codes are alphanumeric and seven characters long.

Metathesaurus Scope
The UMLS Metathesaurus includes all data from the “long description” and “table description” format files. “General Equivalence Mappings” (GEMs) between ICD-10-PCS and ICD-9-CM are also included.

ICD-10-PCS is intended for use by health care professionals, health care organizations, and insurance programs.

ICD-10-PCS codes are used in a variety of clinical and health care applications for reporting, morbidity statistics, and billing.

Update Frequency
ICD-10-PCS is updated annually.

Metathesaurus Update Frequency
ICD-10-PCS is updated in the Metathesaurus as resources permit.

Sites Consulted

  1. Medicare [Internet]. Baltimore (MD): Centers for Medicare & Medicaid Services; [cited 2009 Apr 24]. Overview of ICD-10; [modified 2009 Apr 11; cited 2009 Apr 24]. Available from:; ICD-10-PCS reference manual: