Q4124 HCPCS code: Oasis ultra tri-layer wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)
Q4124 is the HCPCS Level II code for oasis ultra tri-layer wound matrix, per square centimeter (add-on, list separately in addition to primary procedure). In 2024 Medicare paid an average of $6.93 per service for Q4124 across 1,025 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. Medicare volume fell 66% from 2022 to 2024 (2,993 to 1,025 services). In 2024, about 13 clinicians billed Medicare for Q4124 for 94 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 11 — Priced using national relative value units (Physician Fee Schedule) |
| BETOS category | O1E — Other drugs |
| Added | 2012-01-01 |
| Last action effective | 2026-01-01 |
Who bills Q4124 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 13 |
| Medicare beneficiaries | 94 |
| States with claims | 2 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4124, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 2,993 | 109 | $41.25 | $32.91 |
| 2023 | 2,471 | 128 | $9.41 | $7.44 |
| 2024 | 1,025 | 94 | $8.73 | $6.93 |
States with the most Q4124 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| New York | 405 | $6.79 |
| Virginia | 348 | $7.09 |
What changed for Q4124
- January 2026: Descriptor revised (Was: Oasis ultra tri-layer wound matrix, per square centimeter)
- 2012-01-01: Q4124 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code Q4124?
Q4124 is the HCPCS Level II code for oasis ultra tri-layer wound matrix, per square centimeter (add-on, list separately in addition to primary procedure). Short descriptor: "Oasis tri-layer wound matrix".
How much does Medicare pay for Q4124?
In 2024, the average Medicare payment was $6.93 per service (average allowed $8.73).
Does Medicare cover Q4124?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related Q41 codes
- Q4100 — Skin substitute, not otherwise specified
- Q4101 — Apligraf, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4102 — Oasis wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4103 — Oasis burn matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4104 — Integra bilayer matrix wound dressing (bmwd), per square centimeter (add-on, list separately in addition to primary procedure)
- Q4105 — Integra dermal regeneration template (drt) or integra omnigraft dermal regeneration matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4106 — Dermagraft, per square centimeter
- Q4107 — Graftjacket, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4108 — Integra matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4110 — Primatrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4111 — Gammagraft, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4112 — Cymetra, injectable, 1 cc
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under Q4124
- Watch Q4124 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4124
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.