HCPCS code A2028: Micromatrix Flex, per milligram2026 Medicare rate & RVUs in Washington
Micromatrix Flex is reported by milligram when furnished; Medicare assigns carrier-priced physician fee schedule status and leaves coverage to contractor judgment.
CMS doesn’t publish an office rate for A2028 in Washington.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
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On this page 8 sections
What A2028 covers
A2028 identifies Micromatrix Flex as an item reported by milligram. The unit basis is mass, not surface area or a count of sheets. Report the quantity of Micromatrix Flex furnished in milligrams; the named product determines whether A2028 applies rather than another code for a different product. The code is designated technical-component-only, with interpretation covered by a separate code.
Medicare assigns A2028 carrier-priced physician fee schedule status (status C): CMS publishes no national payment, and the Medicare Administrative Contractor sets payment for each claim. The HCPCS pricing method is contractor pricing under the physician fee schedule. Coverage is left to the contractor's judgment. Report units according to the milligrams furnished, with product and quantity documentation supporting the claim.
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.
Where A2028 pays more and less in Washington
| Payment locality | Office | Facility |
|---|---|---|
| King County, WA | Unavailable | Unavailable |
| Rest of Washington | Unavailable | Unavailable |
How the A2028 rate is calculated
Each of A2028’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · A2028
RVUs × geographic indexes × conversion factor
Work0.00
0.00 RVUs× 1.000 GPCI
Practice expense0.00
0.00 RVUs× 1.000 GPCI
Malpractice0.00
0.00 RVUs× 1.000 GPCI
Adjusted RVUs
0.0000
Conversion factor
$33.4009
Medicare rate
$0.00
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
Payment rules and modifiers for A2028
The CMS indicators that decide how A2028 is paid alongside other services.
CMS payment indicators · A2028
Micromatrix Flex, per milligram
| Rule | CMS value | What it means |
|---|---|---|
| Global period | XXX | The global surgery concept doesn’t apply. |
| Multiple procedures | 9 | The concept doesn’t apply. |
| Bilateral (modifier 50) | 9 | The concept doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 9 | The concept doesn’t apply. |
| Co-surgeons (62) | 9 | The concept doesn’t apply. |
| Team surgery (66) | 9 | The concept doesn’t apply. |
| Professional/technical | 3 | Technical component only. |
A2028 compared with similar codes
Compare codes · National
5 codes, side by side
How to choose
- A2023InnovaMatrix PDPer 1 mg
- A2023 identifies Innovamatrix PD, not Micromatrix Flex. Its unit is one milligram of that named product.
- A2030Miro3D fibersPer milligram
- A2030 identifies Miro3D fibers. Although both codes use a milligram basis, the product determines which code applies.
- A2026Restrata MinimatriXPer 5 mg
- A2026 identifies Restrata MiniMatrix and uses a five-milligram unit; A2028 identifies Micromatrix Flex per milligram.
- A2019Wound matrixKerecis MariGen, per square centimeter
- A2019 identifies Kerecis Marigen by area, whereas A2028 identifies Micromatrix Flex by mass.
A2028 billing questions
How many units should be reported?
Report one unit for each milligram of Micromatrix Flex furnished. Product and quantity documentation should support the reported mass.
How does Medicare price A2028?
It has carrier-priced physician fee schedule status. The Medicare Administrative Contractor sets payment for each claim; CMS publishes no national payment.
Does A2028 guarantee Medicare coverage?
No. Coverage is left to the Medicare contractor's judgment.
How is A2028 different from A2023?
A2028 identifies Micromatrix Flex per milligram. A2023 identifies Innovamatrix PD by its own one-milligram unit; select the code for the product furnished.
Is interpretation included in A2028?
A2028 is designated technical-component-only, and a separate code covers interpretation.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
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