HCPCS Q4140: BioD-FenceMedicare rate & RVUs

Reports BioD-Fence tissue matrix by treated area when clinicians apply the product to a wound or soft-tissue site with a primary procedure.

CMS RVU26DEffective Oct 1, 2026109 payment localities

Medicare pays $127.26 for Q4140 nationally in the office. Local office rates run $109.31–$183.51.

Medicare rate · Q4140

BioD-Fence

Swap in your local Medicare rate.

Work RVUs
0
Total RVUs
3.81
Global days
ZZZ

National rate · 2026

$127.26

Office setting, before claim adjustments.

See every locality for Q4140 → · Billed by an NP, PA or therapist? →

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 10 sections
  1. Medicare rate
  2. What Q4140 covers
  3. By payment locality
  4. Rate map
  5. How it’s calculated
  6. Payment rules
  7. Similar codes
  8. Related codes
  9. Billing questions
  10. Sources

What Q4140 covers

Q4140 identifies BioD-Fence, a placental-derived tissue matrix supplied for application to a prepared wound or soft-tissue site. Clinicians may use it as a protective covering on wounds such as chronic ulcers or operative defects. The product code represents the material, not the work of preparing the site or applying the matrix; those services are represented by the related procedure code when separately reportable.

Report the product by the documented area used, with one unit representing one square centimeter. The record should identify BioD-Fence, the treated site, the area applied, and the associated primary procedure. CMS classifies Q4140 as an add-on code: submit it only with a primary procedure, and payment falls within that procedure’s global period. CMS also classifies it as technical-component-only, with a separate code covering interpretation.

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 Q4140 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 payment localities

$109.31 to $183.51

$109.31$146.41$183.51
One dot per payment locality, office / nonfacility. Hover a dot to see the locality; select it to open that rate.

109 of 109 payment localities

Q4140 office and facility rates by payment locality
Payment localityOfficeFacility
Alabama$111.35Unavailable
Alaska*$135.53Unavailable
Arizona$123.31Unavailable
Arkansas$109.31Unavailable
Atlanta$129.29Unavailable
Austin$134.64Unavailable
Bakersfield$139.47Unavailable
Baltimore/Surr. Cntys$136.55Unavailable
Beaumont$115.80Unavailable
Brazoria$126.11Unavailable

Q4140 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
Q4140 office rate range by state
State / territoryOffice rate rangeLocalities
AK$135.531
AL$111.351
AR$109.311
AZ$123.311
CA$139.47–$183.5129
CO$135.401
CT$137.061
DC$149.911
DE$125.731
FL$121.66–$132.473
GA$113.51–$129.292
GU$144.691
HI$144.691
IA$116.441
ID$117.081
IL$116.19–$130.694
IN$117.971
KS$115.041
KY$113.131
LA$112.62–$119.752
MA$134.00–$151.952
MD$128.78–$149.913
ME$117.08–$126.112
MI$116.19–$122.802
MN$130.951
MO$109.70–$121.153
MS$109.571
MT$127.261
NC$118.731
ND$127.261
NE$117.461
NH$132.471
NJ$138.97–$147.622
NM$116.701
NV$127.381
NY$120.89–$151.315
OH$116.191
OK$113.641
OR$126.75–$141.382
PA$116.82–$132.472
PR$128.661
RI$131.461
SC$117.591
SD$127.261
TN$115.681
TX$115.80–$134.648
UT$119.621
VA$125.09–$149.912
VI$128.661
VT$125.981
WA$134.00–$156.142
WI$121.911
WV$110.591
WY$127.261

How the Q4140 rate is calculated

Each of Q4140’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 · Q4140

RVUs × geographic indexes × conversion factor

Swap in your local Medicare rate.

Work 0.00Practice expense 3.81Malpractice 0.00

3.8100 adjusted RVUs×$33.4009 conversion factor=$127.26

All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.

Payment rules and modifiers for Q4140

The CMS indicators that decide how Q4140 is paid alongside other services.

CMS payment indicators · Q4140

BioD-Fence

RuleCMS valueWhat it means
Global periodZZZAdd-on code: falls within the primary procedure’s global period.
Multiple procedures0No multiple-procedure reduction.
Bilateral (modifier 50)0The 150% bilateral adjustment doesn’t apply.
Assistant at surgery (80/81/82/AS)0Not paid without supporting documentation.
Co-surgeons (62)0Not permitted.
Team surgery (66)0Not permitted.
Professional/technical3Technical component only.

Q4140 compared with similar codes

Compare codes

Q4140 vs Q4138 vs Q4137 vs Q4139: national Medicare rates

Swap in your local Medicare rate.

  • Q4140
    BioD-Fence · 0 wRVU
    $127.26
  • Q4138
    Wound matrix · 0 wRVU
    $127.26+$0.00
  • Q4137
    Wound matrix · 0 wRVU
    $127.26+$0.00
  • Q4139
    · 0 wRVU
    —

How to choose

Q4138Wound matrix
Q4138 is for BioD-Fence DryFlex; Q4140 is for BioD-Fence. Match the claim to the product form documented.
Q4137Wound matrix
Q4137 reports AmnioExcel or BioDExcel by area. Use Q4140 when the product applied is BioD-Fence.
Q4139Amnio or biodmatrix, inj 1cc
Q4139 identifies injectable Amnio or BioDMatrix and uses a volume unit. Q4140 identifies BioD-Fence and is reported by area.

Q4140 billing questions

Can Q4140 be billed by itself?

No. CMS identifies Q4140 as an add-on code, so it must be reported with a primary procedure.

How are units determined?

Report one unit for each square centimeter of BioD-Fence used. Document the treated area and the amount applied.

Does Q4140 include the application procedure?

No. Q4140 reports the BioD-Fence product; the associated wound or skin-substitute application procedure is reported separately when appropriate.

How does Q4140 differ from Q4138?

Q4140 identifies BioD-Fence, while Q4138 identifies the DryFlex form of BioD-Fence. Select the code that matches the product form used.

What does the technical-component classification mean?

CMS classifies Q4140 as technical-component-only, with interpretation covered by a separate code.

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
RVUs for Q4140PPRRVU2026_Oct_nonQPP.csv, line 18,234 (RVU26D)

Open CMS sourceHow we calculate rates

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