Q4123 – Alloskin rt, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Level II code · Q codes: Temporary Codes
HCPCS codeQ4123
- Long description
- Alloskin rt, per square centimeter (add-on, list separately in addition to primary procedure)
- Short description
- Alloskin
- Pricing indicator
11Priced using national RVUs (Physician Fee Schedule)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
O1EOther drugs- ASC
- Approved for ambulatory surgical centers
- Added
- January 1, 2012
- Last change
- January 1, 2026 – No change
Frequently asked questions
What is HCPCS code Q4123?
Q4123 is a HCPCS Level II code for alloskin rt, per square centimeter (add-on, list separately in addition to primary procedure).
Does Medicare cover Q4123?
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
- Q4115 – Alloskin, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4116 – Alloderm, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4117 – Hyalomatrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4118 – Matristem micromatrix, 1 mg
- Q4119 – Matristem wound matrix, per square centimeter
- Q4120 – Matristem burn matrix, per square centimeter
- Q4121 – Theraskin, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4122 – Dermacell, dermacell awm or dermacell awm porous, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4124 – Oasis ultra tri-layer wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4125 – Arthroflex, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4126 – Memoderm, dermaspan, tranzgraft or integuply, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4127 – Talymed, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4128 – Flex hd, or allopatch hd, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4129 – Unite biomatrix, per square centimeter
- Q4130 – Strattice tm, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4131 – Epifix or epicord, per square centimeter
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.