MedicaidPrior AuthMedium impact
Illinois Medicaid Patients on Insulin
Illinois Medicaid - HFS·IL · Endocrinology, Family Medicine, Internal Medicine +1 more·Provider Notice
Effective date
Dec 17, 2007
We identified it
Jun 21, 2026
Summary
Illinois Medicaid changed its preferred insulin products to Novolog/Novolin (short-acting) and Levemir (long-acting). Prior authorization will be required for non-preferred insulin products (Humalog/Humulin starting December 17, 2007, and Lantus starting January 7, 2008).
Action Required
By December 17, 2007: Billing team must update prior authorization requirements for Humalog and Humulin insulin products for Illinois Medicaid patients. By January 7, 2008: Add prior authorization requirement for Lantus insulin. Providers should proactively switch patients to preferred insulin products (Novolog, Novolin, Levemir) when clinically appropriate. For medical necessity cases, obtain prior approval by calling 1-800-252-8942 or faxing 217-524-0404/217-524-7264.