Q4238 – Derm-maxx, per square centimeter (add-on, list separately in addition to primary procedure)
HCPCS Level II code · Q codes: Temporary Codes
HCPCS codeQ4238
- Long description
- Derm-maxx, per square centimeter (add-on, list separately in addition to primary procedure)
- Short description
- Derm-maxx, per sq cm
- Pricing indicator
11Priced using national RVUs (Physician Fee Schedule)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
O1EOther drugs- ASC
- Approved for ambulatory surgical centers
- Added
- July 1, 2020
- Last change
- January 1, 2026 – No change
Frequently asked questions
What is HCPCS code Q4238?
Q4238 is a HCPCS Level II code for derm-maxx, per square centimeter (add-on, list separately in addition to primary procedure).
Does Medicare cover Q4238?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby Q codes
- Q4230 – Cogenex flowable amnion, per 0.5 cc
- Q4231 – Corplex p, per cc
- Q4232 – Corplex, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4233 – Surfactor or nudyn, per 0.5 cc
- Q4234 – Xcellerate, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4235 – Amniorepair or altiply, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4236 – Carepatch, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4237 – Cryo-cord, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4239 – Amnio-maxx or amnio-maxx lite, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4240 – Corecyte, for topical use only, per 0.5 cc
- Q4241 – Polycyte, for topical use only, per 0.5 cc
- Q4242 – Amniocyte plus, per 0.5 cc
- Q4243 – Amchomatrix, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4244 – Procenta, per 200 mg
- Q4245 – Amniotext, per cc
- Q4246 – Coretext or protext, per cc
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.