Amends the Illinois Insurance Code. Provides that a group or individual policy of accident and health insurance or a managed care plan that is amended, delivered, issued, or renewed before January 1, 2025 shall provide coverage for medically necessary continuous glucose monitors for individuals who are diagnosed with any form of diabetes mellitus (instead of type 1 or type 2 diabetes) and require insulin for the management of their diabetes. Provides that a group or individual policy of accident and health insurance or a managed care plan that is amended, delivered, issued, or renewed on or after January 1, 2025 shall provide coverage for continuous glucose monitors, related supplies, and training in the use of continuous glucose monitors for any individual who is diagnosed with diabetes, who requires at least one daily injection or infusion of insulin, and who has been prescribed a continuous glucose monitor by a physician, a certified nurse practitioner, or a physician assistant. Provides that an individual who is diagnosed with diabetes and meets the specified requirements shall not be required to obtain prior authorization for coverage for a continuous glucose monitor, and coverage shall be continuous once the continuous glucose monitor is prescribed. Provides that a group or individual policy of accident and health insurance or a managed care plan that is amended, delivered, issued, or renewed on or after January 1, 2025 shall not impose a deductible, coinsurance, copayment, or any other cost-sharing requirement on the coverage required under the provisions. Effective July 1, 2024.