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Unified Medical Language System® (UMLS®)

2015AA UMLS CPT Source Information

Web site:

Current Procedural Terminology (CPT®) is a product of the American Medical Association (AMA).

CPT codes are used by health care professionals for billing of medical services and procedures to public and private health insurance programs.

CPT is a list of descriptive terms and identifying numeric codes for medical services and procedures that are provided by physicians and health care professionals.

CPT is used by physicians, health practitioners, and health insurance organizations.

Update Frequency
CPT is updated annually by the AMA.

Metathesaurus Update Frequency
CPT is updated annually in the Metathesaurus.

Sites Consulted

  1. AMA: American Medical Association [Internet]. Chicago: American Medical Association; c1995-2009. AMA - About CPT®; [cited 2009 Apr 09]. Available from:
  2. Centers for Medicare & Medicaid Services [Internet]. Baltimore: Centers for Medicare & Medicaid Services; [cited 2009 Apr 09]. HCPCS - General information; [cited 2014 Jun 30]. Available from: