Amends the Illinois Insurance Code. Provides that an individual or group policy of accident and health insurance amended, delivered, issued, or renewed after the effective date of the amendatory Act shall cover charges incurred and services provided for outpatient and inpatient care in conjunction with services that are provided to a covered individual related to the diagnosis and treatment of a congenital anomaly or birth defect. Provides that the required coverage includes any service to functionally improve, repair, or restore any body part involving the cranial facial area that is medically necessary to achieve normal function or appearance. Provides that any coverage provided may be subject to coverage limits, such as pre-authorization or pre-certification, as required by the plan or issuer that are no more restrictive than the predominant treatment limitations applied to substantially all medical and surgical benefits covered by the plan. Provides that the coverage does not apply to a policy that covers only dental care. Defines "treatment". Effective January 1, 2024.