Q4309 — Via matrix, per square centimeter (add-on, list separately in addition to primary procedure)
Q4309 is a HCPCS Level II code for via matrix, 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 Q4309
- Long descriptor
- Via matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Short descriptor
- Via matrix, per sq cm
- Added
- April 1, 2024
- 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 Q4309
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q4309 is not quite right, the correct code is very often within a few positions of it.
- Q4301Activate matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4302Complete aca, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4303Complete aa, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4304Grafix plus, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4305American amnion ac tri-layer, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4306American amnion ac, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4307American amnion, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4308Sanopellis, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4310Procenta, per 100 mg
- Q4311Acesso, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4312Acesso ac, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4313Dermabind fm, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4314Reeva ft, per square cenitmeter (add-on, list separately in addition to primary procedure)
- Q4315Regenelink amniotic membrane allograft, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4316Amchoplast, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4317Vitograft, per square centimeter (add-on, list separately in addition to primary procedure)
Questions about Q4309
What is HCPCS code Q4309?
Q4309 is a HCPCS Level II code for via matrix, per square centimeter (add-on, list separately in addition to primary procedure). It sits in the Temporary Codes section.
Does Medicare cover Q4309?
The CMS HCPCS file marks Q4309 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 Q4309 paid under the physician fee schedule?
Q4309 carries PFS status code A. Active code. Paid separately under the physician fee schedule.