How to Get Stelara (Ustekinumab) Covered by UnitedHealthcare in Illinois: Complete 2025 Guide to Prior Authorization, Appeals, and Biosimilar Requirements
Answer Box: Getting Stelara Covered by UnitedHealthcare in Illinois
UnitedHealthcare requires prior authorization for Stelara (ustekinumab) in Illinois, with most commercial plans now requiring biosimilar trials first. As of 2025, brand Stelara is non-formulary; patients must try Steqeyma or Yesintek unless documenting allergy/intolerance or clinical failure after 6+ weeks