CPT 64721 · Hand / Upper Extremity · BCBS Michigan
Open Carpal Tunnel Release at BCBS Michigan.
How BCBS Michigan approaches CPT 64721 (Open Carpal Tunnel Release) for prior-authorization review: at last review on 2026-04-15, the policy covers this code with prior authorization required.
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Coverage
Covered
Prior auth
Prior auth required
Last reviewed
2026-04-15
Policy number
BCBSMI-Ortho-2026Criteria summary
High-level themes from the BCBS Michigan 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.
- Imaging concordance documentation required.
See the full BCBS Michigan criteria.
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