All ASC CPT codes
ASC Ancillary · CPT/HCPCS

HCPCS Q0235

Inj, monoclon antibody, 1 mg

HCPCS Q0235 at a glance

Code
Q0235
Code type
CPT/HCPCS
Short descriptor
Inj, monoclon antibody, 1 mg
Category
ASC Ancillary
ASC payment status
Payable in an ASC (ancillary)
CMS addendum
BB (Ancillary)
Typical setting
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).

What is HCPCS code Q0235?

HCPCS Q0235 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Inj, monoclon antibody, 1 mg". In the ASC context it is grouped under ASC Ancillary.

Is HCPCS Q0235 payable in an ambulatory surgery center (ASC)?

HCPCS Q0235 is a covered ancillary service (CMS Addendum BB). Medicare reimburses it in the ASC setting when it is integral to a covered ASC surgical procedure.

Where is HCPCS Q0235 typically performed?

Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).

Reference information compiled from the CMS April 2026 ASC payment addenda (AA, BB, EE). Codes, descriptors, and ASC payment status change with each CMS update. This is a coding reference, not billing, coding, or legal advice. Always verify against the current CMS addenda and individual payer policy before billing. CPT is a registered trademark of the American Medical Association.

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