Q4165 HCPCS code: Keramatrix or kerasorb, per square centimeter
Q4165 is the HCPCS Level II code for keramatrix or kerasorb, per square centimeter. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case.
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 | 2016-01-01 |
| Last action effective | 2019-10-01 |
What changed for Q4165
- 2016-01-01: Q4165 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 Q4165?
Q4165 is the HCPCS Level II code for keramatrix or kerasorb, per square centimeter. Short descriptor: "Keramatrix, kerasorb sq cm".
Does Medicare cover Q4165?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related Q41 codes
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- 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
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Next steps
- Run a reimbursement report for a device billed under Q4165
- Watch Q4165 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4165
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.