Q4305 – American amnion ac tri-layer, per square centimeter (add-on, list separately in addition to primary procedure)

HCPCS Level II code · Q codes: Temporary Codes

Active code Carrier judgment

HCPCS codeQ4305
Long description
American amnion ac tri-layer, per square centimeter (add-on, list separately in addition to primary procedure)
Short description
Amer am ac tri-lay per sq cm
Pricing indicator
11 Priced using national RVUs (Physician Fee Schedule)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
O1E Other drugs
ASC
Approved for ambulatory surgical centers
Added
April 1, 2024
Last change
January 1, 2026 – No change

Frequently asked questions

What is HCPCS code Q4305?

Q4305 is a HCPCS Level II code for american amnion ac tri-layer, per square centimeter (add-on, list separately in addition to primary procedure).

Does Medicare cover Q4305?

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.