(a) A group or individual policy of accident and health insurance or managed care plan amended, delivered, issued, or renewed on or after January 1, 2022 shall provide coverage for treatment to eliminate or provide maximum feasible treatment of nevus flammeus, also known as port-wine stains, including, but not limited to, port-wine stains caused by Sturge-Weber syndrome. For purposes of this Section, treatment or maximum feasible treatment shall include early intervention treatment, including topical, intralesional, or systemic medical therapy and surgery, and laser treatments approved by the U.S. Food and Drug Administration in children aged 18 years and younger that are intended to prevent functional impairment related to vision function, oral function, inflammation, bleeding, infection, and other medical complications associated with port-wine stains.
     (b) Coverage for treatment required under this Section shall not include treatment solely for cosmetic purposes.