About Category III Codes
The CPT website provides a triannual electronic release of the Category III CPT Codes. This section of CPT codes contains a temporary set of codes for emerging technologies, services and procedures.
Learn about the general and specific criteria that CPT code change applications for new or revised Category III CPT codes must meet.
Sign up for CPT® News
Get the latest news about CPT® codes and content emailed directly to your inbox each month from the AMA. All subscriptions are free!
- Category III Codes long descriptors, (PDF, updated Oct. 2, 2026)
- Category III Codes medium descriptors (PDF, updated Oct. 2, 2026)
- Category III Codes short descriptors (PDF, updated Oct. 2, 2026)
- Early release schedule (PDF, updated Aug. 7, 2026)
- 2012 CPT® Category III Codes with short descriptors and archive dates (PDF)
- CPT® Category III Codes: The first 10 years (PDF)
CPT® is a registered trademark of the American Medical Association.
