CPT 27446 · Other Procedure · Medicare (Noridian JE MAC)
Partial Knee Arthroplasty (Unicompartmental) at Medicare (Noridian JE MAC).
How Medicare (Noridian JE MAC) approaches CPT 27446 (Partial Knee Arthroplasty (Unicompartmental)) for prior-authorization review: at last review on 2026-05-09, the policy covers this code without prior authorization.
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L36577Criteria summary
High-level themes from the Medicare (Noridian JE MAC) policy of record for CPT 27446. Verbatim policy text and per-criterion analysis are available after sign-in.
- Conservative care expectations vary; sign in for specifics.
- Imaging concordance documentation required.
Source: LCD L36577 (JE) / L36575 (JF) — Total Knee Arthroplasty (applies to UKA).
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