MedicaidPrior AuthMedium impact
[Indiana] Topiramate Compounds Prior Authorization Change
CareSource·IN · Neurology, Psychiatry, Pain Management +2 more·Provider Bulletin
Effective date
Aug 15, 2025
We identified it
May 9, 2026
Summary
Effective August 15, 2025, CareSource Indiana Medicaid now requires prior authorization for topiramate tablets in compounded products. Affected members may need to transition to commercially available alternatives or obtain prior authorization. Billing teams must implement prior authorization verification for these compounded topiramate claims.
Action Required
By August 15, 2025: Billing team must implement prior authorization requirement for all compounded topiramate tablet products for Indiana Medicaid members. Update billing system rules to flag compounded topiramate claims for prior authorization verification before submission. Notify providers to discuss transition options with affected patients and document medical necessity for prior authorization requests. Contact CareSource Provider Services at 1-844-607-2831 (Mon-Fri, 8am-8pm ET/7am-7pm CT) with questions. Claims submitted without required prior authorization will be denied.