Q4140 — Biodfence, per square centimeter (add-on, list separately in addition to primary procedure)
Q4140 is a HCPCS Level II code for biodfence, per square centimeter (add-on, list separately in addition to primary procedure). It belongs to the Temporary Codes section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusA
Active code. Paid separately under the physician fee schedule.
- Work RVU
- 0.00
- PE (non-facility)
- 3.81
- PE (facility)
- 3.81
- Malpractice RVU
- 0.00
Global period: ZZZ
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for Q4140
- Long descriptor
- Biodfence, per square centimeter (add-on, list separately in addition to primary procedure)
- Short descriptor
- Biodfence 1cm
- Added
- January 1, 2014
- BETOS
- O1E
- Pricing indicator
- 11 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established using national RVUs.
Codes adjacent to Q4140
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q4140 is not quite right, the correct code is very often within a few positions of it.
- Q4132Grafix core and grafixpl core, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4133Grafix prime, grafixpl prime, stravix and stravixpl, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4134Hmatrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4135Mediskin, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4136Ez-derm, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4137Amnioexcel, amnioexcel plus or biodexcel, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4138Biodfence dryflex, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4139Amniomatrix or biodmatrix, injectable, 1 cc
- Q4141Alloskin ac, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4142Xcm biologic tissue matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4143Repriza, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4145Epifix, injectable, 1 mg
- Q4146Tensix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4147Architect, architect px, or architect fx, extracellular matrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4148Neox cord 1k, neox cord rt, or clarix cord 1k, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4149Excellagen, 0.1 cc
Questions about Q4140
What is HCPCS code Q4140?
Q4140 is a HCPCS Level II code for biodfence, per square centimeter (add-on, list separately in addition to primary procedure). It sits in the Temporary Codes section.
Does Medicare cover Q4140?
The CMS HCPCS file marks Q4140 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is Q4140 paid under the physician fee schedule?
Q4140 carries PFS status code A. Active code. Paid separately under the physician fee schedule.