S4018 HCPCS code: Frozen embryo transfer procedure cancelled before transfer, case rate
S4018 is the HCPCS Level II code for frozen embryo transfer procedure cancelled before transfer, case rate. Its Medicare coverage code is I (Not payable by Medicare): Medicare does not pay separately under this code; another code applies.
Code details
| Field | Value |
|---|---|
| Section | S codes — Temporary national codes (non-Medicare) |
| Coverage code | I — Not payable by Medicare |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | Z2 |
| Added | 2002-01-01 |
| Last action effective | 2002-01-01 |
What changed for S4018
- 2002-01-01: S4018 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code S4018?
S4018 is the HCPCS Level II code for frozen embryo transfer procedure cancelled before transfer, case rate. Short descriptor: "F emb trns canc case rate".
Does Medicare cover S4018?
Coverage code I — Not payable by Medicare. Medicare does not pay separately under this code; another code applies.
Related S40 codes
- S4005 — Interim labor facility global (labor occurring but not resulting in delivery)
- S4011 — In vitro fertilization; including but not limited to identification and incubation of mature oocytes, fertilization with sperm, incubation of embryo(s), and subsequent visualization for determination of development
- S4013 — Complete cycle, gamete intrafallopian transfer (gift), case rate
- S4014 — Complete cycle, zygote intrafallopian transfer (zift), case rate
- S4015 — Complete in vitro fertilization cycle, not otherwise specified, case rate
- S4016 — Frozen in vitro fertilization cycle, case rate
- S4017 — Incomplete cycle, treatment cancelled prior to stimulation, case rate
- S4020 — In vitro fertilization procedure cancelled before aspiration, case rate
- S4021 — In vitro fertilization procedure cancelled after aspiration, case rate
- S4022 — Assisted oocyte fertilization, case rate
- S4023 — Donor egg cycle, incomplete, case rate
- S4024 — Air polymer-type a intrauterine foam, per study dose
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under S4018
- Watch S4018 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for S4018
Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.