MedicaidPrior AuthMedium impact
Preferred Drug List Changes for Atypical Antipsychotics, Anticonvulsants, Antidepressants—SSRIs, Antidepressants—Other, and Stimulants/ADHD Agents
Illinois Medicaid - HFS·IL · Psychiatry, Pediatrics, Neurology +2 more·Provider Notice
Effective date
Apr 18, 2011
We identified it
Jun 21, 2026
Summary
Illinois Medicaid is updating their Preferred Drug List for psychiatric medications, requiring prior authorization for non-preferred drugs and implementing grandfathering policies for existing patients. New ADHD medication prescriptions for patients over 18 will require prior authorization effective immediately.
Action Required
Immediately: Billing team must obtain prior authorization for ADHD medications prescribed to patients over 18 years old. Contact providers to review current patients on non-preferred psychiatric medications to determine grandfathering eligibility. Submit prior authorization requests via fax at 217-524-7264 or 217-524-0404, or call 1-800-252-8942. Include fax number on requests for faster response (approximately 2 hours processing time).