About Category III Codes
The CPT website provides a biannual 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.
- Category III Codes long descriptors, (PDF, updated Dec. 30, 2025)
- Category III Codes medium descriptors (PDF, updated Dec. 30, 2025)
- Category III Codes short descriptors (PDF, updated Dec. 30, 2025)
- Early release schedule (PDF, updated Dec. 30, 2024)
- 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.
