Q4238 — Derm-maxx, per square centimeter (add-on, list separately in addition to primary procedure)
Q4238 is a HCPCS Level II code for derm-maxx, 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 Q4238
- Long descriptor
- Derm-maxx, per square centimeter (add-on, list separately in addition to primary procedure)
- Short descriptor
- Derm-maxx, per sq cm
- Added
- July 1, 2020
- 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 Q4238
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q4238 is not quite right, the correct code is very often within a few positions of it.
- Q4230Cogenex flowable amnion, per 0.5 cc
- Q4231Corplex p, per ccterminated
- Q4232Corplex, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4233Surfactor or nudyn, per 0.5 cc
- Q4234Xcellerate, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4235Amniorepair or altiply, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4236Carepatch, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4237Cryo-cord, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4239Amnio-maxx or amnio-maxx lite, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4240Corecyte, for topical use only, per 0.5 cc
- Q4241Polycyte, for topical use only, per 0.5 cc
- Q4242Amniocyte plus, per 0.5 cc
- Q4244Procenta, per 200 mgterminated
- Q4245Amniotext, per cc
- Q4246Coretext or protext, per cc
- Q4247Amniotext patch, per square centimeter (add-on, list separately in addition to primary procedure)
Questions about Q4238
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). It sits in the Temporary Codes section.
Does Medicare cover Q4238?
The CMS HCPCS file marks Q4238 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 Q4238 paid under the physician fee schedule?
Q4238 carries PFS status code A. Active code. Paid separately under the physician fee schedule.