CPT early releases
- Category I Vaccine Codes
- Category III Codes
- PLA Codes
- Appendix S: AI Taxonomy
- Audio only Modifier 93
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 March 1, 2023)
- Category III Codes medium descriptors (PDF, updated Dec. 29, 2022)
- Category III Codes short descriptors (PDF, updated Dec. 29, 2022)
- Early release schedule (PDF, updated Dec. 30, 2021)
- 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.