"Cost-sharing payment" means the total amount a covered person is required to pay at the point of sale in order to receive a prescription drug that is covered under the covered person's health plan.
"Covered person" means a policyholder, subscriber, participant, or other individual covered by a health plan.
"Device" means a blood glucose test strip, glucometer, continuous glucose monitor (CGM), lancet, lancing device, or insulin syringe used to cure, diagnose, mitigate, prevent, or treat diabetes or low blood sugar, but does not include insulin pumps;
"Health plan" means any health benefit plan, as defined in §33-16-1a(h) of this code, that provides coverage for a prescription insulin drug.
"Pharmacy benefits manager" means an entity that engages in the administration or management of prescription drug benefits provided by an insurer for the benefit of its covered persons.
"Prescription insulin drug" means a prescription drug that contains insulin and is used to treat diabetes.
W. Va. Code § 33-59-1