S3722 HCPCS code: Dose optimization by area under the curve (auc) analysis, for infusional 5-fluorouracil
S3722 is the HCPCS Level II code for dose optimization by area under the curve (auc) analysis, for infusional 5-fluorouracil. 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 | 2012-01-01 |
| Last action effective | 2012-01-01 |
What changed for S3722
- 2012-01-01: S3722 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 S3722?
S3722 is the HCPCS Level II code for dose optimization by area under the curve (auc) analysis, for infusional 5-fluorouracil. Short descriptor: "Dose optimization auc - 5fu".
Does Medicare cover S3722?
Coverage code I — Not payable by Medicare. Medicare does not pay separately under this code; another code applies.
Related S37 codes
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Next steps
- Run a reimbursement report for a device billed under S3722
- Watch S3722 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for S3722
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.