CMHCPCS Level II

At least 80 percent but less than 100 percent impaired, limited or restricted

Related modifiers

Frequently asked questions

What does modifier CM mean?

At least 80 percent but less than 100 percent impaired, limited or restricted

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.