CPT 64451 · Peripheral Nerve Block · Medicare (Noridian JF MAC)
SI Joint Nerve Block (S1–S3 lateral branches) at Medicare (Noridian JF MAC).
How Medicare (Noridian JF MAC) approaches CPT 64451 (SI Joint Nerve Block (S1–S3 lateral branches)) for prior-authorization review: at last review on 2026-05-02, the policy covers this code without prior authorization.
Free with practitioner sign-in — magic-link email auth, no credit card.
Criteria summary
High-level themes from the Medicare (Noridian JF MAC) policy of record for CPT 64451. Verbatim policy text and per-criterion analysis are available after sign-in.
- At least 6 weeks of conservative care typically required.
Source: Medicare (Noridian JF MAC) LCD / Local Coverage Article
See the full Medicare (Noridian JF 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 →