Q4233 — Surfactor or nudyn, per 0.5 cc
Q4233 is a HCPCS Level II code for surfactor or nudyn, per 0.5 cc. 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 statusC
Contractor-priced. Your MAC establishes the RVUs and the payment amount case by case, usually after reviewing documentation. There is no national amount to compute.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for Q4233
- Long descriptor
- Surfactor or nudyn, per 0.5 cc
- Short descriptor
- Surfactor /nudyn per 0.5 cc
- Added
- July 1, 2020
- BETOS
- O1E
- Pricing indicator
- 13 — 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 by carriers — not otherwise classified, individual determination, or carrier discretion.
Codes adjacent to Q4233
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q4233 is not quite right, the correct code is very often within a few positions of it.
- Q4225Amniobind or dermabind tl, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4226Myown skin, includes harvesting and preparation procedures, per square centimeter
- Q4227Amniocore, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4228Bionextpatch, per square centimeterterminated
- Q4229Cogenex amniotic membrane, per square centimeter (add-on, list separately in addition to primary procedure)
- Q4230Cogenex flowable amnion, per 0.5 cc
- Q4231Corplex p, per ccterminated
- Q4232Corplex, per square centimeter (add-on, list separately in addition to primary procedure)
- 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)
- Q4238Derm-maxx, 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
Questions about Q4233
What is HCPCS code Q4233?
Q4233 is a HCPCS Level II code for surfactor or nudyn, per 0.5 cc. It sits in the Temporary Codes section.
Does Medicare cover Q4233?
The CMS HCPCS file marks Q4233 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 Q4233 paid under the physician fee schedule?
Q4233 carries PFS status code C. Contractor-priced. Your MAC establishes the RVUs and the payment amount case by case, usually after reviewing documentation. There is no national amount to compute.