215 ILCS 5/356z.81: Coverage for anesthesia services.

(a) 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, 2026 shall provide coverage for medically necessary anesthesia services, regardless of the duration, for any procedure covered by the policy.

(b) An individual or group policy of accident and health insurance is prohibited from denying payment or reimbursement for anesthesia services solely because the duration of care exceeded a preset time limit.