Q4136 HCPCS code: Ez-derm, per square centimeter
Q4136 is the HCPCS Level II code for ez-derm, per square centimeter. In 2022 Medicare paid an average of $20.34 per service for Q4136 across 149 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. In 2022, about 6 clinicians billed Medicare for Q4136 for 50 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 | 2013-01-01 |
| Last action effective | 2013-01-01 |
Who bills Q4136 (2022)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 6 |
| Medicare beneficiaries | 50 |
| States with claims | 2 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4136, 2022–2022
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 149 | 50 | $25.47 | $20.34 |
States with the most Q4136 services (2022)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 67 | $23.96 |
| Pennsylvania | 34 | $28.23 |
What changed for Q4136
- 2013-01-01: Q4136 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 Q4136?
Q4136 is the HCPCS Level II code for ez-derm, per square centimeter. Short descriptor: "Ezderm".
How much does Medicare pay for Q4136?
In 2022, the average Medicare payment was $20.34 per service (average allowed $25.47).
Does Medicare cover Q4136?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
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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 Q4136
- Watch Q4136 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4136
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.