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.
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- Category III Codes long descriptors, (PDF, updated Aug. 7, 2026)
- Category III Codes medium descriptors (PDF, updated Aug. 7, 2026)
- Category III Codes short descriptors (PDF, updated Aug. 7, 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.
