S4021 HCPCS code: In vitro fertilization procedure cancelled after aspiration, case rate
S4021 is the HCPCS Level II code for in vitro fertilization procedure cancelled after aspiration, 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 | 2025-04-01 |
What changed for S4021
- 2002-01-01: S4021 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 S4021?
S4021 is the HCPCS Level II code for in vitro fertilization procedure cancelled after aspiration, case rate. Short descriptor: "Ivf canc aftr aspr case rate".
Does Medicare cover S4021?
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
- S4018 — Frozen embryo transfer procedure cancelled before transfer, case rate
- S4020 — In vitro fertilization procedure cancelled before 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
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Next steps
- Run a reimbursement report for a device billed under S4021
- Watch S4021 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for S4021
Sources: CMS HCPCS Level II release October 2026; 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.