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Oncology Prior Authorization: Medicare CO-15 Denials Checklist for 2025

Authorization-related denials like CO-15 remain a costly challenge for oncology practices. With Medicare prior authorization rules oncology 2025 bringing stricter requirements, new CPT codes, and AI-driven claim reviews, practices must adapt. This guide provides a practical oncology prior authorization checklist to reduce denials, ensure compliance, and safeguard patient care.