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ASC Ancillary · CPT/HCPCS

HCPCS Q4355

Abio xpl abio xpl hy p sq cm

HCPCS Q4355 at a glance

Code
Q4355
Code type
CPT/HCPCS
Short descriptor
Abio xpl abio xpl hy p sq cm
Category
ASC Ancillary
ASC eligibility
ASC-eligible (ancillary)
Typical setting
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Medicare ASC rate
$127.14 national · 2026Q2

What is HCPCS code Q4355?

HCPCS Q4355 is a CPT/HCPCS procedure code. Its official short descriptor is "Abio xpl abio xpl hy p sq cm". In the ASC context it is grouped under ASC Ancillary.

Is HCPCS Q4355 eligible in an ambulatory surgery center (ASC)?

HCPCS Q4355 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.

Where is HCPCS Q4355 typically performed?

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

What is the Medicare ASC payment rate for HCPCS Q4355?

The national Medicare ASC payment rate for HCPCS Q4355 is $127.14 (CMS ASC Payment System, 2026Q2). This is the national, unadjusted amount published by CMS; the amount an individual ambulatory surgery center is paid is adjusted for local wage index and may differ. It reflects Medicare's facility payment only and does not include the surgeon's professional fee.

Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association.

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