CPT 64450 · RFA · California Medicaid (Medi-Cal)
Peripheral Nerve Block — Other at California Medicaid (Medi-Cal).
How California Medicaid (Medi-Cal) approaches CPT 64450 (Peripheral Nerve Block — Other) for prior-authorization review: at last review on 2026-05-06, the policy covers this code with prior authorization required.
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Criteria summary
High-level themes from the California Medicaid (Medi-Cal) policy of record for CPT 64450. Verbatim policy text and per-criterion analysis are available after sign-in.
- At least 8 weeks of conservative care typically required.
- Prior C1-C2 diagnostic medial branch block documentation required (typically with ≥50% relief).
Source: California Medicaid (Medi-Cal) Coverage for Radiofrequency Ablation
See the full California Medicaid (Medi-Cal) criteria.
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