Q4165 — Keramatrix or kerasorb, per square centimeter (add-on, list separately in addition to primary procedure)
Q4165 is a HCPCS Level II code for keramatrix or kerasorb, per square centimeter (add-on, list separately in addition to primary procedure). It belongs to the Temporary Codes section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusA
Active code. Paid separately under the physician fee schedule.
- Work RVU
- 0.00
- PE (non-facility)
- 3.81
- PE (facility)
- 3.81
- Malpractice RVU
- 0.00
Global period: ZZZ
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for Q4165
- Long descriptor
- Keramatrix or kerasorb, per square centimeter (add-on, list separately in addition to primary procedure)
- Short descriptor
- Keramatrix, kerasorb sq cm
- Added
- January 1, 2016
- BETOS
- O1E
- Pricing indicator
- 11 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established using national RVUs.
Codes adjacent to Q4165
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q4165 is not quite right, the correct code is very often within a few positions of it.
- Q4157Revitalon, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4158Kerecis omega3, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4159Affinity, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4160Nushield, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4161Bio-connekt wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4162Woundex flow, bioskin flow, 0.5 cc
- Q4163Woundex, bioskin, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4164Helicoll, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4166Cytal, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4167Truskin, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4168Amnioband, 1 mg
- Q4169Artacent wound, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4170Cygnus, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4171Interfyl, 1 mg
- Q4172Puraply or puraply am, per square centimeterterminated
- Q4173Palingen or palingen xplus, per square centimeter (add-on, list separately in addition to primary procedure)
Questions about Q4165
What is HCPCS code Q4165?
Q4165 is a HCPCS Level II code for keramatrix or kerasorb, per square centimeter (add-on, list separately in addition to primary procedure). It sits in the Temporary Codes section.
Does Medicare cover Q4165?
The CMS HCPCS file marks Q4165 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is Q4165 paid under the physician fee schedule?
Q4165 carries PFS status code A. Active code. Paid separately under the physician fee schedule.