Amends the Accident and Health Article of the Illinois Insurance Code. Provides that an individual or group policy of accident and health insurance that is amended, delivered, issued, or renewed on or after January 1, 2025 shall cover a medically necessary coronary calcium scan and scoring every 24 months for individuals over the age of 40. Defines "coronary calcium scan and scoring". Makes conforming changes in the State Employees Group Insurance Act of 1971, the Counties Code, the Illinois Municipal Code, the School Code, the Health Maintenance Organization Act, the Limited Health Service Organization Act, the Voluntary Health Services Plans Act, and the Medical Assistance Article of the Illinois Public Aid Code. Effective January 1, 2024.