Live Interactive Demo

UnitedHealthcare Attn: Utilization Management / Appeals Department Re: Appeal of Denial — Claim [SYNTHETIC] Member: Jordan A. (Sample) | ID: UHC-XXX-1234 (Synthetic) CPT: 27447 (Total Knee Arthroplasty) | ICD-10: M17.2 Denial Code: CO-50 (Medical Necessity) Dear UnitedHealthcare Utilization Management, I am writing to formally appeal the denial of coverage for CPT 27447 (Total Knee Arthroplasty) for the above-referenced member, denied under code CO-50 as "not medically necessary." This appeal demonstrates that the clinical documentation fully satisfies UnitedHealthcare's published medical necessity criteria for total knee arthroplasty, as outlined in Optum Medical Policy and the applicable InterQual Surgical Procedures criteria. 1. DOCUMENTED CONSERVATIVE THERAPY FAILURE Per UnitedHealthcare's medical policy for CPT 27447, conservative therapy of at least 3 months duration must be documented prior to surgical intervention. The patient has completed 8 months of conservative management, substantially exceeding this requirement. Modalities include: • NSAID therapy (ibuprofen 600mg PRN) over 8 months — no sustained relief • 12 sessions of physical therapy (September–November 2025) — no sustained improvement • Intra-articular corticosteroid injection (August 15, 2025) — only 6 weeks of transient relief • Knee bracing and activity modification — insufficient 2. IMAGING EVIDENCE Radiographic imaging dated January 15, 2026, confirms Kellgren-Lawrence grade 4 osteoarthritis of the right knee, with joint space narrowing, subchondral sclerosis, and osteophyte formation. This meets and exceeds the UHC requirement for "X-ray evidence of grade 3-4 OA." 3. FUNCTIONAL IMPAIRMENT The patient demonstrates severe functional impairment: VAS pain score 8/10, Knee Society Score 62, inability to climb stairs, inability to walk more than two blocks, and requirement of assistance for activities of daily living. This satisfies the UHC criterion for documented functional impairment. 4. BMI COMPLIANCE Patient BMI is 31, below the UHC threshold of 40 for total knee arthroplasty. No surgical contraindications have been identified. 5. CLINICAL CRITERIA STANDARD Per InterQual Surgical Procedures criteria for Total Knee Arthroplasty, the patient meets all required indicators: advanced osteoarthritis (grade 4), documented conservative therapy failure, significant functional impairment, and absence of surgical contraindications. The denial is contradicted by the payer's own adopted clinical standard. 6. DENIAL CODE OVERTURN AUTHORITY Denial code CO-50 (medical necessity) is highly appealable when supported by complete clinical documentation. The documentation provided satisfies each criterion of the payer's medical necessity policy. The denial appears to be based on incomplete review of the submitted clinical records. REQUEST FOR ACTION I respectfully request that UnitedHealthcare reverse the denial and approve CPT 27447 (Total Knee Arthroplasty) for this member. The clinical evidence unequivocally supports medical necessity per the payer's own published criteria. Should additional information be required, please contact this office within 5 business days to request a peer-to-peer review, as permitted under the UHC appeal process. Sincerely, Dr. Sample Provider, MD Sample Orthopedic Center [Synthetic — Illustrative Sample Only]