COHCPCS Level II
Outpatient occupational therapy services furnished in whole or in part by an
- Usage notes
- Append to an outpatient occupational therapy service furnished in whole or in part by an occupational therapy assistant.
- Common mistakes
- Confusing CO (occupational therapy assistant) with CQ (physical therapy assistant) — they apply to different therapy disciplines.
Related modifiers
CAProcedure payable only in the inpatient setting when performed emergently on anCBService ordered by a renal dialysis facility (rdf) physician as part of theCCProcedure code change (use 'cc' when the procedure code submitted was changedCDAmcc test has been ordered by an esrd facility or mcp physician that is part ofCEAmcc test has been ordered by an esrd facility or mcp physician that is aCFAmcc test has been ordered by an esrd facility or mcp physician that is notCGPolicy criteria appliedCH0 percent impaired, limited or restricted
Frequently asked questions
What does modifier CO mean?
Outpatient occupational therapy services furnished in whole or in part by an
When do I use modifier CO?
Append to an outpatient occupational therapy service furnished in whole or in part by an occupational therapy assistant.
What's a common mistake with modifier CO?
Confusing CO (occupational therapy assistant) with CQ (physical therapy assistant) — they apply to different therapy disciplines.
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.