Q5112 – Injection, trastuzumab-dttb, biosimilar, (ontruzant), 10 mg

HCPCS Level II code · Q codes: Temporary Codes

Active code Carrier judgment

HCPCS codeQ5112
Long description
Injection, trastuzumab-dttb, biosimilar, (ontruzant), 10 mg
Short description
Inj ontruzant 10 mg
Pricing indicator
51 Drugs
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
O1E Other drugs
ASC
Approved for ambulatory surgical centers
Added
July 1, 2019
Last change
October 1, 2023 – No change

Frequently asked questions

What is HCPCS code Q5112?

Q5112 is a HCPCS Level II code for injection, trastuzumab-dttb, biosimilar, (ontruzant), 10 mg.

Does Medicare cover Q5112?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby Q codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.