CQHCPCS Level II

Outpatient physical therapy services furnished in whole or in part by a

Usage notes
Append to an outpatient physical therapy service furnished in whole or in part by a physical therapist assistant.
Common mistakes
Omitting CQ when a PTA furnished the de minimis portion of the service that triggers the required reporting, resulting in inaccurate payment under the assistant payment differential.

Related modifiers

Frequently asked questions

What does modifier CQ mean?

Outpatient physical therapy services furnished in whole or in part by a

When do I use modifier CQ?

Append to an outpatient physical therapy service furnished in whole or in part by a physical therapist assistant.

What's a common mistake with modifier CQ?

Omitting CQ when a PTA furnished the de minimis portion of the service that triggers the required reporting, resulting in inaccurate payment under the assistant payment differential.

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.