Medicare (CMS LCD/NCD) Knee Arthroscopy prior authorization requirements (2026)
What Medicare (CMS LCD/NCD) generally requires to approve Knee Arthroscopy (CPT 29875, 29876, 29877, 29879), for Medicare, Medicare (NJ WISeR) plans. Yes. Medicare (CMS LCD/NCD) generally requires prior authorization for Knee Arthroscopy (CPT 29875, 29876, 29877, 29879).
Medical-necessity criteria Medicare (CMS LCD/NCD) generally applies
WISeR category: arthroscopic lavage/debridement for the osteoarthritic knee per NCD 150.9. In New Jersey (Novitas JL), traditional Medicare accepts prior authorization requests from Jan 5, 2026 (dates of service on/after Jan 15, 2026); claims submitted WITHOUT prior authorization are subject to 100% pre-payment medical review. Reviews are performed by CMS-contracted technology vendors with a licensed clinician required before any denial; emergency services excluded. Document the non-OA indication clearly (meniscal pathology, loose body) when the arthroscopy is not for osteoarthritis lavage/debridement. [NEEDS CLINICAL SPOT-CHECK]
Diagnoses that commonly support medical necessity
ICD-10-CM diagnoses frequently associated with medical necessity for Knee Arthroscopy. Confirm the covered diagnosis list against the current Medicare (CMS LCD/NCD) policy.
Commonly required documentation
- Clinical documentation per the applicable NCD/LCD: diagnosis, conservative-care history, imaging correlation, and (for repeat procedures) documented response.
How to submit
- Method: Submit prior authorization to Novitas (JL) under the WISeR model, or the claim is routed to 100% pre-payment medical review.
Sources & verification
Sources: CMS WISeR model page (cms.gov/priorities/innovation/innovation-models/wiser, verified 2026-07-09); CMS hospital-OPD prior-authorization program (42 CFR 419.83); KFF WISeR analysis (kff.org). WISeR states: NJ, OH, OK, TX, AZ, WA; six-year model from Jan 1, 2026. Last verified 2026-07-09.
Frequently asked questions
Does Medicare (CMS LCD/NCD) require prior authorization for Knee Arthroscopy?
Yes. Medicare (CMS LCD/NCD) generally requires prior authorization for Knee Arthroscopy (CPT 29875, 29876, 29877, 29879).
What does Medicare (CMS LCD/NCD) require to approve Knee Arthroscopy?
WISeR category: arthroscopic lavage/debridement for the osteoarthritic knee per NCD 150.9. In New Jersey (Novitas JL), traditional Medicare accepts prior authorization requests from Jan 5, 2026 (dates of service on/after Jan 15, 2026); claims submitted WITHOUT prior authorization are subject to 100% pre-payment medical review. Reviews are performed by CMS-contracted technology vendors with a licen… Always confirm against the current Medicare (CMS LCD/NCD) policy.
How long does a Medicare (CMS LCD/NCD) prior authorization take?
Turnaround varies by plan and submission method. Check the Medicare (CMS LCD/NCD) portal for current timeframes.
Submitting Knee Arthroscopy to Medicare (CMS LCD/NCD)?
Praxigen checks your clinical note against these criteria before you submit and drafts a policy-cited appeal if it is denied. You review and submit; nothing is sent automatically.