HCPCS Modifier Reference

Search HCPCS Level II modifiers (e.g. “LT”, “GA”, “KX”) by code or keyword. Results show the modifier’s meaning and, for commonly billed modifiers, original usage notes.

HCPCS modifier data from CMS. CPT® is a registered trademark of the American Medical Association — CPT modifier descriptions require a separate AMA license and are not included on this site; searching a CPT modifier number shows the code only.