Q4184 HCPCS code: Cellesta or cellesta duo, per square centimeter
Q4184 is the HCPCS Level II code for cellesta or cellesta duo, per square centimeter. In 2023 Medicare paid an average of $461.78 per service for Q4184 across 2,600 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. Medicare volume fell 64% from 2022 to 2023 (7,144 to 2,600 services). In 2023, about 4 clinicians billed Medicare for Q4184 for 30 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 | 2019-01-01 |
| Last action effective | 2019-10-01 |
Who bills Q4184 (2023)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 4 |
| Medicare beneficiaries | 30 |
| States with claims | 1 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4184, 2022–2023
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 7,144 | 59 | $578.72 | $461.50 |
| 2023 | 2,600 | 30 | $579.58 | $461.78 |
States with the most Q4184 services (2023)
| State | Services | Avg. paid |
|---|---|---|
| California | 2,528 | $461.78 |
What changed for Q4184
- 2019-01-01: Q4184 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 Q4184?
Q4184 is the HCPCS Level II code for cellesta or cellesta duo, per square centimeter. Short descriptor: "Cellesta or duo per sq cm".
How much does Medicare pay for Q4184?
In 2023, the average Medicare payment was $461.78 per service (average allowed $579.58).
Does Medicare cover Q4184?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
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- 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 Q4184
- Watch Q4184 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4184
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.