Q4309 HCPCS code: Via matrix, per square centimeter
Q4309 is the HCPCS Level II code for via matrix, per square centimeter. In 2024 Medicare paid an average of $1,178.11 per service for Q4309 across 11,109 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. In 2024, about 63 clinicians billed Medicare for Q4309 for 212 beneficiaries.
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 | 2024-04-01 |
| Last action effective | 2024-04-01 |
Who bills Q4309 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 63 |
| Medicare beneficiaries | 212 |
| States with claims | 4 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4309, 2024–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2024 | 11,109 | 212 | $1,478.64 | $1,178.11 |
States with the most Q4309 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Maryland | 3,153 | $1,394.30 |
| Florida | 2,649 | $1,411.19 |
| Oklahoma | 1,252 | $1,412.97 |
| Pennsylvania | 194 | $1,413.16 |
What changed for Q4309
- 2024-04-01: Q4309 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 Q4309?
Q4309 is the HCPCS Level II code for via matrix, per square centimeter. Short descriptor: "Via matrix, per sq cm".
How much does Medicare pay for Q4309?
In 2024, the average Medicare payment was $1,178.11 per service (average allowed $1,478.64).
Does Medicare cover Q4309?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related Q43 codes
- Q4300 — Acesso tl, per square centimeter
- Q4301 — Activate matrix, per square centimeter
- Q4302 — Complete aca, per square centimeter
- Q4303 — Complete aa, per square centimeter
- Q4304 — Grafix plus, per square centimeter
- Q4305 — American amnion ac tri-layer, per square centimeter
- Q4306 — American amnion ac, per square centimeter
- Q4307 — American amnion, per square centimeter
- Q4308 — Sanopellis, per square centimeter
- Q4310 — Procenta, per 100 mg
- Q4311 — Acesso, per square centimeter
- Q4312 — Acesso ac, per square centimeter
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 Q4309
- Watch Q4309 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4309
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.