Q4190 HCPCS code: Artacent ac, per square centimeter
Q4190 is the HCPCS Level II code for artacent ac, per square centimeter. In 2024 Medicare paid an average of $277.45 per service for Q4190 across 18,517 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. Medicare volume rose 135% from 2022 to 2024 (7,889 to 18,517 services). In 2024, about 103 clinicians billed Medicare for Q4190 for 388 beneficiaries; California, Arizona, North Carolina accounted for 62% of services.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1E — Other drugs |
| Added | 2019-01-01 |
| Last action effective | 2019-01-01 |
Who bills Q4190 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 103 |
| Medicare beneficiaries | 388 |
| States with claims | 10 |
| Share of services in top 3 states (California, Arizona, North Carolina) | 62% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4190, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 7,889 | 200 | $725.85 | $578.35 |
| 2023 | 55,073 | 922 | $568.73 | $453.12 |
| 2024 | 18,517 | 388 | $348.29 | $277.45 |
States with the most Q4190 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| California | 4,066 | $271.21 |
| Arizona | 3,768 | $308.04 |
| North Carolina | 2,406 | $272.29 |
| Tennessee | 1,860 | $253.65 |
| Texas | 1,440 | $244.62 |
What changed for Q4190
- 2019-01-01: Q4190 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 Q4190?
Q4190 is the HCPCS Level II code for artacent ac, per square centimeter. Short descriptor: "Artacent ac 1 sq cm".
How much does Medicare pay for Q4190?
In 2024, the average Medicare payment was $277.45 per service (average allowed $348.29).
Does Medicare cover Q4190?
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
- Q4102 — Oasis wound matrix, per square centimeter
- Q4103 — Oasis burn matrix, per square centimeter
- Q4104 — Integra bilayer matrix wound dressing (bmwd), per square centimeter
- Q4105 — Integra dermal regeneration template (drt) or integra omnigraft dermal regeneration matrix, per square centimeter
- Q4106 — Dermagraft, per square centimeter
- Q4107 — Graftjacket, per square centimeter
- Q4108 — Integra matrix, per square centimeter
- Q4110 — Primatrix, per square centimeter
- Q4111 — Gammagraft, per square centimeter
- 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 Q4190
- Watch Q4190 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4190
Sources: CMS HCPCS Level II release October 2025; 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.