S2403 — Repair, extralobar pulmonary sequestration in the fetus, procedure performed in utero
S2403 is a HCPCS Level II code for repair, extralobar pulmonary sequestration in the fetus, procedure performed in utero. It belongs to the Temporary National Codes (Non-Medicare) section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
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 statusI
Not valid for Medicare purposes. Medicare uses another code.
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 S2403
- Long descriptor
- Repair, extralobar pulmonary sequestration in the fetus, procedure performed in utero
- Short descriptor
- Fetal surg pulmon sequest
- Added
- January 1, 2002
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to S2403
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If S2403 is not quite right, the correct code is very often within a few positions of it.
- S2348Decompression procedure, percutaneous, of nucleus pulposus of intervertebral disc, using radiofrequency energy, single or multiple levels, lumbar
- S2350Diskectomy, anterior, with decompression of spinal cord and/or nerve root(s), including osteophytectomy; lumbar, single interspace
- S2351Diskectomy, anterior, with decompression of spinal cord and/or nerve root(s), including osteophytectomy; lumbar, each additional interspace (list separately in addition to code for primary procedure)
- S2360Percutaneous vertebroplasty, one vertebral body, unilateral or bilateral injection; cervicalterminated
- S2361Each additional cervical vertebral body (list separately in addition to code for primary procedure)terminated
- S2400Repair, congenital diaphragmatic hernia in the fetus using temporary tracheal occlusion, procedure performed in utero
- S2401Repair, urinary tract obstruction in the fetus, procedure performed in utero
- S2402Repair, congenital cystic adenomatoid malformation in the fetus, procedure performed in utero
- S2404Repair, myelomeningocele in the fetus, procedure performed in utero
- S2405Repair of sacrococcygeal teratoma in the fetus, procedure performed in utero
- S2409Repair, congenital malformation of fetus, procedure performed in utero, not otherwise classified
- S2411Fetoscopic laser therapy for treatment of twin-to-twin transfusion syndrome
- S2900Surgical techniques requiring use of robotic surgical system (list separately in addition to code for primary procedure)
- S3000Diabetic indicator; retinal eye exam, dilated, bilateral
- S3005Performance measurement, evaluation of patient self assessment, depression
- S3600Stat laboratory request (situations other than s3601)
Questions about S2403
What is HCPCS code S2403?
S2403 is a HCPCS Level II code for repair, extralobar pulmonary sequestration in the fetus, procedure performed in utero. It sits in the Temporary National Codes (Non-Medicare) section.
Does Medicare cover S2403?
The CMS HCPCS file marks S2403 as "Not payable by Medicare". Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
How is S2403 paid under the physician fee schedule?
S2403 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.