CPT 27446 · Other Procedure · Medicare (Novitas MAC)
Partial Knee Arthroplasty (Unicompartmental) at Medicare (Novitas MAC).
How Medicare (Novitas 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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Criteria summary
High-level themes from the Medicare (Novitas MAC) policy of record for CPT 27446. Verbatim policy text and per-criterion analysis are available after sign-in.
- At least 12 weeks of conservative care typically required.
- Imaging concordance documentation required.
Source: Novitas — 27446 UKA governed by general TKA-style coverage (no stand-alone LCD)
See the full Medicare (Novitas MAC) criteria.
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