W. Va. Code § 33-16-3zz

Any insurer who, on or after January 1, 2019, delivers or issues a policy of group accident and sickness insurance in this state under the provisions of this article shall make available as benefits to all subscribers and members coverage on an expense-incurred basis and individual and group service or indemnity type contracts issued by a nonprofit corporation shall provide coverage for long-term antibiotic therapy for a patient with Lyme disease when determined to be medically necessary and ordered by a licensed physician after making a thorough evaluation of the patient’s symptoms, diagnostic test results, or response to treatment.