Q4266 HCPCS Level II code: Neostim membrane, per square centimeter (add-on, list separately in addition to primary procedure)
Q4266 is the HCPCS code for “Neostim membrane, per square centimeter (add-on, list separately in addition to primary procedure)” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
Q4266Neostim membrane, per square centimeter (add-on, list separately in addition to primary procedure)
Short description: Neostim per sq cm
HCPCS · United States
Medicare details
The indicators CMS publishes with Q4266 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Physician fee schedule – Price established using national RVUs
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Medical care
- BETOS category
- Other drugs
- Added
- Apr 1, 2023
Where Q4266 sits
- 1Q codesTemporary codes
- 2Active code Q4266Neostim membrane, per square centimeter (add-on, list separately in addition to primary procedure)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code Q4266 mean?
Q4266 is the HCPCS code for “Neostim membrane, per square centimeter (add-on, list separately in addition to primary procedure)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover Q4266?
CMS lists Q4266’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established using national RVUs”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside Q4266
All Q codesQ4260Signature apatch, per square centimeter (add-on, list separately in addition to primary procedure)Q4261Tag, per square centimeter (add-on, list separately in addition to primary procedure)Q4262Dual layer impax membrane, per square centimeter (add-on, list separately in addition to primary procedure)Q4263Surgraft tl, per square centimeter (add-on, list separately in addition to primary procedure)Q4264Cocoon membrane, per square centimeter (add-on, list separately in addition to primary procedure)Q4265Neostim tl, per square centimeter (add-on, list separately in addition to primary procedure)Q4267Neostim dl, per square centimeter (add-on, list separately in addition to primary procedure)Q4268Surgraft ft, per square centimeter (add-on, list separately in addition to primary procedure)Q4269Surgraft xt, per square centimeter (add-on, list separately in addition to primary procedure)Q4270Complete sl, per square centimeter (add-on, list separately in addition to primary procedure)Q4271Complete ft, per square centimeter (add-on, list separately in addition to primary procedure)Q4272Esano a, per square centimeter (add-on, list separately in addition to primary procedure)