Modifiers CO and CQ (OTA/PTA outpatient services billing and payment)
Humana's claims payment policy for use and reimbursement of CMS modifiers CO (OTA services) and CQ (PTA services) for outpatient occupational and physical therapy services for Medicare Advantage and Commercial products.
Humana requires submission of modifier CO or CQ for outpatient OT/PT services provided January 1, 2020 or later.
Effective January 1, 2022, Humana allows a charge for an outpatient OTA or PTA service at 85% of the contracted rate or base maximum amount payable.
Applicability and Coverage Criteria
Outpatient OT/PT assistant services
Applicability and billing requirements for outpatient OT/PT assistant-provided services:
ALL of the following
- For outpatient occupational or physical therapy services provided on or after January 1, 2020, providers must submit modifier CO for occupational therapy assistant (OTA) involvement or modifier CQ for physical therapist assistant (PTA) involvement on professional or institutional claims (except institutional type of bill 85x).
- Claims payments remain subject to other plan requirements including medical necessity, reasonableness, and applicable referral or authorization requirements.
- Effective for dates of service beginning January 1, 2022, Humana allows payment for outpatient OTA or PTA services reported with modifier CO or CQ at 85% of the contracted rate or the base maximum amount payable under the member's plan.
Applicable Modifiers and Payment Details
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