All ASC CPT codes
ASC Ancillary · CPT/HCPCS

HCPCS Q4257

Relese, per sq cm

HCPCS Q4257 at a glance

Code
Q4257
Code type
CPT/HCPCS
Short descriptor
Relese, per 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 Q4257?

HCPCS Q4257 is a CPT/HCPCS procedure code. Its official short descriptor is "Relese, per sq cm". In the ASC context it is grouped under ASC Ancillary.

Is HCPCS Q4257 eligible in an ambulatory surgery center (ASC)?

HCPCS Q4257 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.

Where is HCPCS Q4257 typically performed?

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

What is the Medicare ASC payment rate for HCPCS Q4257?

The national Medicare ASC payment rate for HCPCS Q4257 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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