Q4189
No office rateArtacent ac, 1 mg
Q4189 identifies Artacent AC in milligrams; Q4190 identifies it in square centimeters. Match the code to the unit used for the product.
On this page
CMS RVU26D · Effective 2026-10-01
Q4190 Artacent AC Medicare reimbursement rates in Oklahoma
Q4190 reports Artacent AC supplied by square centimeter for wound coverage, alongside the primary procedure used to apply the material. Compare Q4190 office and facility rates across CMS payment localities in Oklahoma.
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 Q4190 in Oklahoma?
Oklahoma 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
$113.64
1 of 1 localities have a supported rate.
Payment area: Oklahoma
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.
Wound care supply
About Q4190: Artacent AC wound covering by area
Q4190 reports Artacent AC supplied by square centimeter for wound coverage, alongside the primary procedure used to apply the material.
Q4190 identifies Artacent AC, a biologic wound-covering product, with the billing unit based on square centimeters. It is used when this specific product is supplied for wound coverage, such as during treatment of a chronic wound or ulcer. The clinician applying the material may be a physician or another qualified practitioner working in an office, wound clinic, or hospital setting.
Report the quantity in square centimeters and pair the product line with the applicable primary wound-application procedure. Documentation should identify Artacent AC, the treated wound and site, and the area of product used. CMS classifies Q4190 as an add-on code: it is billed with a primary procedure and paid within that procedure’s global period. It is also a technical-component-only code; interpretation is represented by a separate code when applicable.
CMS billing rules for Q4190
- 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%
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.
Q4190 compared with similar codes
Office rates for Oklahoma, from the same CMS release.
$113.64
Q4191 identifies Restorigin per square centimeter, while Q4190 identifies Artacent AC per square centimeter. The product supplied determines the code.
$145.49
15271 reports the wound-application procedure for qualifying sites; Q4190 reports the Artacent AC product used with a primary procedure.
$148.76
15275 reports the application procedure for other qualifying wound sites. Q4190 identifies the product and is not a substitute for the application procedure.
Compare Q4190 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
Oklahoma →
Office / nonfacility
$113.64
Facility
Unavailable
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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 Q4190 in Oklahoma.
PPRRVU2026_Oct_nonQPP.csv
18,282
- Code
- Q4190
- Physician work
- 0.00
- Practice expense
- 3.81
- Malpractice
- 0.00
GPCI2026.csv
86
- Locality
- Oklahoma
- Physician work
- 1.000
- Practice expense
- 0.893
- Malpractice
- 0.777
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 0.00 | × 1.000 | 0.0000 |
| Practice expense | 3.81 | × 0.893 | 3.4023 |
| Malpractice | 0.00 | × 0.777 | 0.0000 |
| Total RVUs | 3.4023 | ||
| Conversion factor | × 33.4009 | ||
Office / nonfacility rate, Oklahoma$113.64
Explore RVUs, geographic factors and the full formula
Office / nonfacility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 0 | 1 |
| Practice expense | 3.81 | 0.893 |
| Malpractice | 0 | 0.777 |
(0 × 1 + 3.81 × 0.893 + 0 × 0.777) × $33.4009 = $113.64
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.
Q4190 billing questions
When should Q4190 be selected instead of Q4189?
Both identify Artacent AC, but Q4190 is measured per square centimeter and Q4189 per milligram. Use the code and unit that match the product quantity documented.
Can Q4190 be billed by itself?
No. CMS classifies it as an add-on code, so it must be reported with the applicable primary procedure.
How is the Q4190 quantity determined?
Report the square-centimeter quantity of Artacent AC used for the wound. The record should support the product and area reported.
Does Q4190 include the wound-application procedure?
No. Q4190 identifies the Artacent AC product; report the applicable primary procedure for applying the material separately.
Does Q4190 include a professional interpretation?
No. CMS classifies Q4190 as technical-component-only, with interpretation covered by a separate code when applicable.
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.
18,279Q4187,,Epicord 1 sq cm,A,,0.00,3.81,,3.81,NA,0.00,3.81,3.81,3,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
18,280Q4188,,Amnioarmor 1 sq cm,A,,0.00,3.81,,3.81,NA,0.00,3.81,3.81,3,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
18,281Q4189,,"Artacent ac, 1 mg",C,,0.00,0.00,,0.00,,0.00,0.00,0.00,3,XXX,0.00,0.00,0.00,9,9,9,9,9,9,,33.4009,09,0,99,0.00,0.00,0.00
18,282Q4190,,Artacent ac 1 sq cm,A,,0.00,3.81,,3.81,NA,0.00,3.81,3.81,3,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
18,283Q4191,,Restorigin 1 sq cm,A,,0.00,3.81,,3.81,NA,0.00,3.81,3.81,3,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
18,284Q4192,,"Restorigin, 1 cc",C,,0.00,0.00,,0.00,,0.00,0.00,0.00,3,XXX,0.00,0.00,0.00,9,9,9,9,9,9,,33.4009,09,0,99,0.00,0.00,0.00
18,285Q4193,,Coll-e-derm 1 sq cm,A,,0.00,3.81,,3.81,NA,0.00,3.81,3.81,3,ZZZ,0.00,0.00,0.00,0,0,0,0,0,9,,33.4009,09,0,99,0.00,0.00,0.00
8311502,NC,00,NORTH CAROLINA,1.000,0.933,0.639
8403302,ND,01,NORTH DAKOTA**,1.000,1.000,0.406
8515202,OH,00,OHIO,1.000,0.913,1.008
8604312,OK,00,OKLAHOMA,1.000,0.893,0.777
8702302,OR,01,PORTLAND,1.016,1.111,0.744
8802302,OR,99,REST OF OREGON,1.000,0.996,0.703
8912502,PA,01,METROPOLITAN PHILADELPHIA,1.018,1.041,1.193