Q4121 HCPCS Level II code: Theraskin, per square centimeter (add-on, list separately in addition to primary procedure)
Q4121 is the HCPCS code for “Theraskin, 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
Q4121Theraskin, per square centimeter (add-on, list separately in addition to primary procedure)
Short description: Theraskin
HCPCS · United States
Medicare details
The indicators CMS publishes with Q4121 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
- Jan 1, 2011
Where Q4121 sits
- 1Q codesTemporary codes
- 2Active code Q4121Theraskin, 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 Q4121 mean?
Q4121 is the HCPCS code for “Theraskin, per square centimeter (add-on, list separately in addition to primary procedure)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover Q4121?
CMS lists Q4121’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 Q4121
All Q codesQ4115Alloskin, per square centimeter (add-on, list separately in addition to primary procedure)Q4116Alloderm, per square centimeter (add-on, list separately in addition to primary procedure)Q4117Hyalomatrix, per square centimeter (add-on, list separately in addition to primary procedure)Q4118Matristem micromatrix, 1 mgQ4119Matristem wound matrix, per square centimeterQ4120Matristem burn matrix, per square centimeterQ4122Dermacell, dermacell awm or dermacell awm porous, per square centimeter (add-on, list separately in addition to primary procedure)Q4123Alloskin rt, per square centimeter (add-on, list separately in addition to primary procedure)Q4124Oasis ultra tri-layer wound matrix, per square centimeter (add-on, list separately in addition to primary procedure)Q4125Arthroflex, per square centimeter (add-on, list separately in addition to primary procedure)Q4126Memoderm, dermaspan, tranzgraft or integuply, per square centimeter (add-on, list separately in addition to primary procedure)Q4127Talymed, per square centimeter (add-on, list separately in addition to primary procedure)