CIHCPCS Level II

At least 1 percent but less than 20 percent impaired, limited or restricted

Related modifiers

Frequently asked questions

What does modifier CI mean?

At least 1 percent but less than 20 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.