73CPT (AMA)

CPT modifier — description requires AMA license. Visit ama-assn.org.

CPT modifiers are maintained by the American Medical Association and their descriptions require a separate AMA license. Visit ama-assn.org for the official description.

Frequently asked questions

What is modifier 73?

This is a CPT (Level I) modifier maintained by the American Medical Association. CPT modifier descriptions are copyrighted and require an AMA license, so HealthCodeRef shows only the code number. Visit ama-assn.org for the official description.

HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions are not included on this site. Always verify codes with authoritative sources before making billing decisions.