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CMS RVU26D · Effective 2026-10-01

Q4309 Wound matrix Medicare reimbursement rates in Kentucky

Reports Via Matrix supplied for wound treatment, measured by the square centimeter and billed with the applicable primary application procedure. Compare Q4309 office and facility rates across CMS payment localities in Kentucky.

Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.

What does Medicare pay for Q4309 in Kentucky?

Kentucky has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.

Office / nonfacility

$113.13

1 of 1 localities have a supported rate.

Payment area: Kentucky

One mapped payment locality.

Facility setting

No supported rate

These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.

Find Q4309 in your payment locality →

Wound care

About Q4309: Via Matrix wound product

Reports Via Matrix supplied for wound treatment, measured by the square centimeter and billed with the applicable primary application procedure.

Q4309 identifies Via Matrix by the area supplied, in square centimeters, for wound treatment. It represents the product rather than the clinician’s wound assessment or the work of applying a graft. Wound care clinicians may use it in outpatient treatment of a wound when Via Matrix is the product selected and the applicable wound procedure is performed.

Report Q4309 only with a primary procedure; CMS treats it as an add-on and places its payment within that procedure’s global period. Select the primary application code according to the treated site and wound area, and document the product used and the area supplied so the reported units can be supported. CMS classifies Q4309 as technical-component-only, with interpretation covered by a separate code. Its physician work RVU is zero; the code accounts for the technical component.

CMS billing rules for Q4309

Global period
Add-on code: billed only together with a primary procedure and paid within that procedure's global period.
Professional and technical components
Technical-component-only code: a separate code covers interpretation.

Where the value comes from

  • Work RVU0.00 · 0%
  • Practice expense (office) RVU3.81 · 100%
  • Malpractice RVU0.00 · 0%

11.1K

Medicare services in 2024 · #1423 by national volume

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Q4309 compared with similar codes

Office rates for Kentucky, from the same CMS release.

Q4308

Skin substitute

Sanopellis, per square centimeter

$113.13

Q4308 identifies Sanopellis, while Q4309 identifies Via Matrix. Select the product code that matches the product supplied.

Q4311

Acesso graft

Per square centimeter

$113.13

Q4311 identifies Acesso rather than Via Matrix. The product used, not just the wound site, determines which code to report.

Q4310

Procenta, per 100 mg

No office rate

Q4310 identifies Procenta and is measured per 100 mg; Q4309 identifies Via Matrix and is measured per square centimeter.

Compare Q4309 by payment locality

Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.

1 of 1 payment localities

Office and facility base rates · shared scale starting at $0

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How this local rate is calculated

Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for Q4309 in Kentucky.

PPRRVU2026_Oct_nonQPP.csv

18,396

Code
Q4309
Physician work
0.00
Practice expense
3.81
Malpractice
0.00

GPCI2026.csv

55

Locality
Kentucky
Physician work
1.000
Practice expense
0.889
Malpractice
0.915
Office / nonfacility calculation for Q4309 in Kentucky
ComponentRVULocality factorAdjusted
Physician work0.00× 1.0000.0000
Practice expense3.81× 0.8893.3871
Malpractice0.00× 0.9150.0000
Total RVUs3.3871
Conversion factor× 33.4009

Office / nonfacility rate, Kentucky$113.13

Explore RVUs, geographic factors and the full formula

Office / nonfacility

Office / nonfacility calculation inputs
ComponentRVULocal GPCI
Work01
Practice expense3.810.889
Malpractice00.915

(0 × 1 + 3.81 × 0.889 + 0 × 0.915) × $33.4009 = $113.13

The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.

Q4309 billing questions

Can Q4309 be billed by itself?

No. CMS identifies Q4309 as an add-on code that must be reported with a primary procedure.

Which application code should accompany Q4309?

Choose the primary skin-substitute application code based on the treated site and wound area. For example, 15271 and 15273 apply to different site groups.

How are Q4309 units counted?

The code is measured per square centimeter. Document the Via Matrix product and the area supplied to support the units reported.

Does Q4309 include the work of applying the product?

Q4309 identifies the product, not the clinician’s application work. Report the appropriate primary application procedure with it.

How does CMS classify the code’s components?

CMS classifies Q4309 as technical-component-only; interpretation is covered by a separate code. The code has zero physician work RVUs.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.

Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.

RVUs for Q4309PPRRVU2026_Oct_nonQPP.csv, line 18,396 (RVU26D)
Geographic factors for KentuckyGPCI2026.csv, line 55 (RVU26D)