CPT 64721 · Hand / Upper Extremity · Medicare (FCSO MAC)
Open Carpal Tunnel Release at Medicare (FCSO MAC).
How Medicare (FCSO MAC) approaches CPT 64721 (Open Carpal Tunnel Release) for prior-authorization review: at last review on 2026-05-10, the policy covers this code without prior authorization.
Free with practitioner sign-in — magic-link email auth, no credit card.
No active LCDCriteria summary
High-level themes from the Medicare (FCSO MAC) policy of record for CPT 64721. Verbatim policy text and per-criterion analysis are available after sign-in.
- At least 6 weeks of conservative care typically required.
- Prior diagnostic procedure documentation required.
Source: CMS IOM — Reasonable and Necessary Standard; no active NCD/LCD for Hand / Upper Extremity
See the full Medicare (FCSO MAC) criteria.
Sign in for verbatim conservative-care language, exact imaging-concordance rules, repeat-procedure thresholds, and the denial-risk score for any specific clinical scenario.
Sign in — free for practitioners →