HCPCS code Q4366: Amniotic membrane, DL AmnioBUR X-Mem, per sq cm2026 Medicare rate & RVUs in West Virginia
Reports each square centimeter of DL AmnioBUR X-Mem used as a wound covering during a separately reported skin-substitute application procedure.
In West Virginia, Medicare pays $110.59 for Q4366 in the office.
Check a contract rate as a % of Medicare · Q4366 nationwide
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 11 sections
What Q4366 covers
Q4366 identifies the DL AmnioBUR X-Mem amniotic membrane product, counted by square centimeter. A wound-care physician, podiatrist, or surgeon may use it as a covering for a wound, such as a diabetic foot ulcer or venous leg ulcer, in an outpatient wound clinic or surgical setting. The product code represents the graft material, not the clinician’s work of preparing the wound or applying the graft.
Report the product only with a primary application procedure, such as the appropriate skin-substitute application code for the wound site and treated area. Document the product identity, wound location, area treated, and quantity used; report Q4366 units in square centimeters. CMS classifies Q4366 as a technical-component-only code, with interpretation covered by a separate code. Payment for this add-on is included within the primary procedure’s global period.
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.
How West Virginia compares for Q4366
Across 109 of 109 payment localities, the office rate for Q4366 runs from $109.31 in Arkansas to $183.51 in Santa Clara County, CA. West Virginia pays $110.59. The RVUs are the same everywhere; the geographic indexes change the dollars.
- West Virginia · this page$110.59
- Los Angeles, CA · California$150.55+$39.96
- Washington, DC area · District of Columbia$149.91+$39.32
- Miami, FL · Florida$132.47+$21.88
- Chicago, IL · Illinois$127.89+$17.30
- Manhattan, NY · New York$147.87+$37.28
- Alaska · Alaska$135.53+$24.94
Other areas in West Virginia first, then benchmark localities. Bars start at $0.
Every other payment area
| Payment locality | Office | Facility |
|---|---|---|
| AlabamaAlabama | $111.35 | — |
| ArkansasArkansas | $109.31 | — |
| ArizonaArizona | $123.31 | — |
| Bakersfield, CACalifornia | $139.47 | — |
| Chico, CACalifornia | $139.47 | — |
| El Centro, CACalifornia | $139.47 | — |
| Fresno, CACalifornia | $139.47 | — |
| Hanford, CACalifornia | $139.47 | — |
| Madera, CACalifornia | $139.47 | — |
| Merced, CACalifornia | $139.47 | — |
| Modesto, CACalifornia | $139.47 | — |
| Napa, CACalifornia | $167.73 | — |
| Oxnard, CACalifornia | $150.42 | — |
| Redding, CACalifornia | $139.47 | — |
| Rest of CaliforniaCalifornia | $139.47 | — |
| Riverside, CACalifornia | $139.47 | — |
| Sacramento, CACalifornia | $148.00 | — |
| Salinas, CACalifornia | $147.49 | — |
| San Diego, CACalifornia | $152.20 | — |
| Marin County, CACalifornia | $179.43 | — |
| San Francisco, CACalifornia | $179.43 | — |
| San Benito County, CACalifornia | $183.51 | — |
| Santa Clara County, CACalifornia | $183.51 | — |
| San Luis Obispo, CACalifornia | $144.95 | — |
| Santa Cruz, CACalifornia | $154.62 | — |
| Santa Maria, CACalifornia | $148.38 | — |
| Santa Rosa, CACalifornia | $156.27 | — |
| Stockton, CACalifornia | $139.47 | — |
| Vallejo, CACalifornia | $167.73 | — |
| Visalia, CACalifornia | $139.47 | — |
| Yuba City, CACalifornia | $139.47 | — |
| ColoradoColorado | $135.40 | — |
| ConnecticutConnecticut | $137.06 | — |
| DelawareDelaware | $125.73 | — |
| Fort Lauderdale, FLFlorida | $128.91 | — |
| Rest of FloridaFlorida | $121.66 | — |
| Atlanta, GAGeorgia | $129.29 | — |
| Rest of GeorgiaGeorgia | $113.51 | — |
| Hawaii, Guam, HIHawaii | $144.69 | — |
| IowaIowa | $116.44 | — |
| IdahoIdaho | $117.08 | — |
| East St. Louis, ILIllinois | $117.08 | — |
| Rest of IllinoisIllinois | $116.19 | — |
| Suburban Chicago, ILIllinois | $130.69 | — |
| IndianaIndiana | $117.97 | — |
| KansasKansas | $115.04 | — |
| KentuckyKentucky | $113.13 | — |
| New Orleans, LALouisiana | $119.75 | — |
| Rest of LouisianaLouisiana | $112.62 | — |
| Metropolitan Boston, MAMassachusetts | $151.95 | — |
| Rest of MassachusettsMassachusetts | $134.00 | — |
| Baltimore area, MDMaryland | $136.55 | — |
| Rest of MarylandMaryland | $128.78 | — |
| Rest of MaineMaine | $117.08 | — |
| Southern Maine, MEMaine | $126.11 | — |
| Detroit, MIMichigan | $122.80 | — |
| Rest of MichiganMichigan | $116.19 | — |
| MinnesotaMinnesota | $130.95 | — |
| Metropolitan Kansas City, MOMissouri | $119.49 | — |
| Metropolitan St. Louis, MOMissouri | $121.15 | — |
| Rest of MissouriMissouri | $109.70 | — |
| MississippiMississippi | $109.57 | — |
| MontanaMontana | $127.26 | — |
| North CarolinaNorth Carolina | $118.73 | — |
| North DakotaNorth Dakota | $127.26 | — |
| NebraskaNebraska | $117.46 | — |
| New HampshireNew Hampshire | $132.47 | — |
| Northern New JerseyNew Jersey | $147.62 | — |
| Rest of New JerseyNew Jersey | $138.97 | — |
| New MexicoNew Mexico | $116.70 | — |
| NevadaNevada | $127.38 | — |
| NYC suburbs and Long Island, NYNew York | $151.31 | — |
| Poughkeepsie and northern NYC suburbs, NYNew York | $139.35 | — |
| Queens, NYNew York | $150.42 | — |
| Rest of New YorkNew York | $120.89 | — |
| OhioOhio | $116.19 | — |
| OklahomaOklahoma | $113.64 | — |
| Portland, OROregon | $141.38 | — |
| Rest of OregonOregon | $126.75 | — |
| Metropolitan Philadelphia, PAPennsylvania | $132.47 | — |
| Rest of PennsylvaniaPennsylvania | $116.82 | — |
| Puerto RicoPuerto Rico | $128.66 | — |
| Rhode IslandRhode Island | $131.46 | — |
| South CarolinaSouth Carolina | $117.59 | — |
| South DakotaSouth Dakota | $127.26 | — |
| TennesseeTennessee | $115.68 | — |
| Austin, TXTexas | $134.64 | — |
| Beaumont, TXTexas | $115.80 | — |
| Brazoria, TXTexas | $126.11 | — |
| Dallas, TXTexas | $126.75 | — |
| Fort Worth, TXTexas | $125.48 | — |
| Galveston, TXTexas | $126.37 | — |
| Houston, TXTexas | $126.37 | — |
| Rest of TexasTexas | $120.77 | — |
| UtahUtah | $119.62 | — |
| VirginiaVirginia | $125.09 | — |
| Virgin Islands, VIUnited States Virgin Islands | $128.66 | — |
| VermontVermont | $125.98 | — |
| Rest of WashingtonWashington | $134.00 | — |
| King County, WAWashington | $156.14 | — |
| WisconsinWisconsin | $121.91 | — |
| WyomingWyoming | $127.26 | — |
Q4366 rates by state
Office rate range in each state. Select a state to see its payment localities.
Explore a state
Local rates. Clear comparisons.
Hover or focus a tile to see its rate range. Select it to open the state’s fee schedule.
$109.31
$161.49
Color shows the midpoint of each state’s locality range.
View every state and territory as a table
| State / territory | Office rate range | Localities |
|---|---|---|
| AK | $135.53 | 1 |
| AL | $111.35 | 1 |
| AR | $109.31 | 1 |
| AZ | $123.31 | 1 |
| CA | $139.47–$183.51 | 29 |
| CO | $135.40 | 1 |
| CT | $137.06 | 1 |
| DC | $149.91 | 1 |
| DE | $125.73 | 1 |
| FL | $121.66–$132.47 | 3 |
| GA | $113.51–$129.29 | 2 |
| GU | $144.69 | 1 |
| HI | $144.69 | 1 |
| IA | $116.44 | 1 |
| ID | $117.08 | 1 |
| IL | $116.19–$130.69 | 4 |
| IN | $117.97 | 1 |
| KS | $115.04 | 1 |
| KY | $113.13 | 1 |
| LA | $112.62–$119.75 | 2 |
| MA | $134.00–$151.95 | 2 |
| MD | $128.78–$149.91 | 3 |
| ME | $117.08–$126.11 | 2 |
| MI | $116.19–$122.80 | 2 |
| MN | $130.95 | 1 |
| MO | $109.70–$121.15 | 3 |
| MS | $109.57 | 1 |
| MT | $127.26 | 1 |
| NC | $118.73 | 1 |
| ND | $127.26 | 1 |
| NE | $117.46 | 1 |
| NH | $132.47 | 1 |
| NJ | $138.97–$147.62 | 2 |
| NM | $116.70 | 1 |
| NV | $127.38 | 1 |
| NY | $120.89–$151.31 | 5 |
| OH | $116.19 | 1 |
| OK | $113.64 | 1 |
| OR | $126.75–$141.38 | 2 |
| PA | $116.82–$132.47 | 2 |
| PR | $128.66 | 1 |
| RI | $131.46 | 1 |
| SC | $117.59 | 1 |
| SD | $127.26 | 1 |
| TN | $115.68 | 1 |
| TX | $115.80–$134.64 | 8 |
| UT | $119.62 | 1 |
| VA | $125.09–$149.91 | 2 |
| VI | $128.66 | 1 |
| VT | $125.98 | 1 |
| WA | $134.00–$156.14 | 2 |
| WI | $121.91 | 1 |
| WV | $110.59 | 1 |
| WY | $127.26 | 1 |
How the Q4366 rate is calculated
Each of Q4366’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 · Q4366
RVUs × geographic indexes × conversion factor
Work0.00
0.00 RVUs× 1.000 GPCI
Practice expense3.81
3.81 RVUs× 1.000 GPCI
Malpractice0.00
0.00 RVUs× 1.000 GPCI
Adjusted RVUs
3.8100
Conversion factor
$33.4009
Medicare rate
$127.26
Every GPCI starts at 1.000, the national rate. Enter a ZIP or drag a slider.
The exact West Virginia inputs and CMS source lines
PPRRVU2026_Oct_nonQPP.csv
18,453
- Code
- Q4366
- Physician work
- 0.00
- Practice expense
- 3.81
- Malpractice
- 0.00
GPCI2026.csv
110
- Locality
- West Virginia
- Physician work
- 1.000
- Practice expense
- 0.869
- Malpractice
- 1.431
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 0.00 | × 1.000 | 0.0000 |
| Practice expense | 3.81 | × 0.869 | 3.3109 |
| Malpractice | 0.00 | × 1.431 | 0.0000 |
| Total RVUs | 3.3109 | ||
| Conversion factor | × 33.4009 | ||
Office rate, West Virginia$110.59
Office: (0 × 1 + 3.81 × 0.869 + 0 × 1.431) × $33.4009 = $110.59
Payment rules and modifiers for Q4366
The CMS indicators that decide how Q4366 is paid alongside other services.
CMS payment indicators · Q4366
Amniotic membrane, DL AmnioBUR X-Mem, per sq cm
| Rule | CMS value | What it means |
|---|---|---|
| Global period | ZZZ | Add-on code: falls within the primary procedure’s global period. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 3 | Technical component only. |
How Q4366 has changed in West Virginia
Q4366 · Office / nonfacility
$110.59
Effective 2026-10-01
A rate is unavailable in one of these releases, so a change cannot be calculated.
It is unchanged from the immediately preceding available release, effective 2026-07-01.
One bar per available release, ordered by effective date. Missing rates remain gaps. These comparisons hold the code, setting and locality identifiers constant; they do not isolate which policy or input caused a change.
What changed, release by release
January 1, 2026
RVU26A
No ratechanged to$110.59
Held through RVU26B, RVU26C, RVU26D.
April 1, 2025
RVU25B
No ratechanged toNo rate
Held through RVU25C, RVU25D.
January 1, 2013
RVU13AR
Earliest loaded release: No rate
Held through RVU13B, RVU13C, RVU13D, RVU14A, RVU14B, RVU14C, RVU14D, RVU15A, RVU15B, RVU15C, RVU15D, RVU16A, RVU16B, RVU16C, RVU16D, RVU17A, RVU17B, RVU17C, RVU17D, RVU18AR1, RVU18B, RVU18C, RVU18D, RVU19A, RVU19B, RVU19C, RVU19D, RVU20A, RVU20B, RVU20C, RVU20D, RVU21A, RVU21B, RVU21C, RVU21D, RVU22A, RVU22B, RVU22C, RVU22D, RVU23A, RVU23B, RVU23C, RVU23D, RVU24A, RVU24AR, RVU24B, RVU24C, RVU24D, RVU25A.
| Effective from | Office | Facility | CMS release |
|---|---|---|---|
| 2026-10-01 | $110.59 | Not available in this setting | RVU26D |
| 2026-07-01 | $110.59 | Not available in this setting | RVU26C |
| 2026-04-01 | $110.59 | Not available in this setting | RVU26B |
| 2026-01-01 | $110.59 | Not available in this setting | RVU26A |
| 2025-10-01 | Separate payment rules apply | Separate payment rules apply | RVU25D |
| 2025-07-01 | Separate payment rules apply | Separate payment rules apply | RVU25C |
| 2025-04-01 | Separate payment rules apply | Separate payment rules apply | RVU25B |
| 2025-01-01 | Not in this release | Not in this release | RVU25A |
| 2024-10-01 | Not in this release | Not in this release | RVU24D |
| 2024-07-01 | Not in this release | Not in this release | RVU24C |
| 2024-04-01 | Not in this release | Not in this release | RVU24B |
| 2024-03-09 | Not in this release | Not in this release | RVU24AR |
| 2024-01-01 | Not in this release | Not in this release | RVU24A |
| 2023-10-01 | Not in this release | Not in this release | RVU23D |
| 2023-07-01 | Not in this release | Not in this release | RVU23C |
| 2023-04-01 | Not in this release | Not in this release | RVU23B |
| 2023-01-01 | Not in this release | Not in this release | RVU23A |
| 2022-10-01 | Not in this release | Not in this release | RVU22D |
| 2022-07-01 | Not in this release | Not in this release | RVU22C |
| 2022-04-01 | Not in this release | Not in this release | RVU22B |
| 2022-01-01 | Not in this release | Not in this release | RVU22A |
| 2021-10-01 | Not in this release | Not in this release | RVU21D |
| 2021-07-01 | Not in this release | Not in this release | RVU21C |
| 2021-04-01 | Not in this release | Not in this release | RVU21B |
| 2021-01-01 | Not in this release | Not in this release | RVU21A |
| 2020-10-01 | Not in this release | Not in this release | RVU20D |
| 2020-07-01 | Not in this release | Not in this release | RVU20C |
| 2020-04-01 | Not in this release | Not in this release | RVU20B |
| 2020-01-01 | Not in this release | Not in this release | RVU20A |
| 2019-10-01 | Not in this release | Not in this release | RVU19D |
| 2019-07-01 | Not in this release | Not in this release | RVU19C |
| 2019-04-01 | Not in this release | Not in this release | RVU19B |
| 2019-01-01 | Not in this release | Not in this release | RVU19A |
| 2018-10-01 | Not in this release | Not in this release | RVU18D |
| 2018-07-01 | Not in this release | Not in this release | RVU18C |
| 2018-04-01 | Not in this release | Not in this release | RVU18B |
| 2018-01-01 | Not in this release | Not in this release | RVU18AR1 |
| 2017-10-01 | Not in this release | Not in this release | RVU17D |
| 2017-07-01 | Not in this release | Not in this release | RVU17C |
| 2017-04-01 | Not in this release | Not in this release | RVU17B |
| 2017-01-01 | Not in this release | Not in this release | RVU17A |
| 2016-10-01 | Not in this release | Not in this release | RVU16D |
| 2016-07-01 | Not in this release | Not in this release | RVU16C |
| 2016-04-01 | Not in this release | Not in this release | RVU16B |
| 2016-01-01 | Not in this release | Not in this release | RVU16A |
| 2015-10-01 | Not in this release | Not in this release | RVU15D |
| 2015-07-01 | Not in this release | Not in this release | RVU15C |
| 2015-04-01 | Not in this release | Not in this release | RVU15B |
| 2015-01-01 | Not in this release | Not in this release | RVU15A |
| 2014-10-01 | Not in this release | Not in this release | RVU14D |
| 2014-07-01 | Not in this release | Not in this release | RVU14C |
| 2014-04-01 | Not in this release | Not in this release | RVU14B |
| 2014-01-01 | Not in this release | Not in this release | RVU14A |
| 2013-10-01 | Not in this release | Not in this release | RVU13D |
| 2013-07-01 | Not in this release | Not in this release | RVU13C |
| 2013-04-01 | Not in this release | Not in this release | RVU13B |
| 2013-01-01 | Not in this release | Not in this release | RVU13AR |
Where the West Virginia rate applies
West Virginia is a Medicare payment area, not a city. Our Census mapping connects it to 439 cities and communities in West Virginia. Some span more than one payment area; confirm with the service ZIP.
- Accoville
- Addison (Webster Springs)
- Adrian
- Albright
- Alderson
- Alum Creek
- Amherstdale
- Anawalt
Q4366 billing questions
How is Q4366 distinguished from other amniotic membrane codes?
Use Q4366 only when the product is specifically DL AmnioBUR X-Mem. Select a different product code when the graft’s product name or labeling identifies another product, even if it is also amniotic tissue.
Can Q4366 be billed without a wound application procedure?
No. CMS identifies it as an add-on code, so it must be reported with a primary procedure. The primary application code depends on the wound site and treated area.
How are the units reported?
Report the quantity in square centimeters. Documentation should identify the graft product and support the wound area and amount used.
Does Q4366 include the clinician’s work applying the graft?
No. Q4366 identifies the product. Report the appropriate primary application procedure for the clinician’s work; payment for Q4366 falls within that procedure’s global period.
What does technical-component-only mean for Q4366?
CMS classifies the code as technical-component-only and indicates that a separate code covers interpretation. Q4366 itself identifies the graft product.
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
Show the CMS file lines behind this rate
Fee sheets · Coming soon
Put Q4366 and the rest of your codes on one sheet
Your codes at your locality, with payer contracts beside Medicare.
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