CPT 64451 · Peripheral Nerve Block · Medicare (CGS MAC)
SI Joint Nerve Block (S1–S3 lateral branches) at Medicare (CGS MAC).
How Medicare (CGS 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.
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Coverage
Covered
Prior auth
No prior auth
Last reviewed
2026-05-02
Criteria summary
High-level themes from the Medicare (CGS 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.
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