The Ambetter Health plans below have partnered with Evolent, a leading oncology quality management company, to implement a new radiation oncology prior authorization program designed to streamline administrative processes and support the delivery of high-quality, evidence-based cancer care.
IL: Ambetter of Illinois
KS: Ambetter from Sunflower Health Plan
OH: Ambetter from Buckeye Health Plan
MO: Ambetter from Home State Health
WA: Ambetter from Coordinated Care
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Effective June 1, 2026, radiation oncology services administered in a physician office, outpatient hospital or ambulatory setting will be submitted to Evolent for prior authorization for members with a primary diagnosis within the following diagnosis code range:
Cancer Diagnoses = C00 - D09, D37 - D44, E34.0
Hematology Diagnosis = D45-D49, D59.10-D59.19, D61.81, D61.82, D63.0, D63.8, D64.2-D64.3, D64.81, D64.89, D64.9, D68.59, D69.3, D69.41, D69.59, D69.6, D69.8, D69.9, D70.1-D70.9, D72.8, D72.9, D73.81, D73.9, D75.1, D75.81, D75.82
N&V = R11
Radiation Oncology services requiring authorization include Brachytherapy, Conformal, Conventional, IMRT, IGRT, Proton and Neutron Beam Therapy and Stereotactic Radiosurgery.
Providers may begin contacting Evolent on June 1, 2026 to secure prior authorization for radiation oncology services scheduled on or after June 1, 2026. Prior authorization requests can be submitted to Evolent:
Via the Evolent CarePro portal at evolent.com/provider-portal, select CarePro
Via telephone: 1.888.999.7713, option 3 for Radiation Oncology
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