Current Procedural Terminology (CPT) is a medical code set that is used to report medical, surgical, and diagnostic procedures and services to entities such as physicians, health insurance companies and accreditation organizations. CPT codes are used in conjunction with ICD-9-CM or ICD-10-CM numerical diagnostic coding during the electronic medical billing process.
here are three types of CPT codes: Category 1, Category 2 and Category 3. The current version of the CPT codes is known as CPT 2014. CPT is a registered trademark of the American Medical Association.