"Cost-sharing", an amount owed by an individual under the terms of the individual's health benefit plan.
"Health benefit plan", as defined in section 1 of chapter 176O.
"Pharmacy benefit manager", as defined in section 1 of chapter 176Y.
"Pharmacy retail price", the amount an individual would pay for a prescription drug at a pharmacy if the individual purchased that prescription drug at that pharmacy without using a health benefit plan or any other prescription medication benefit or discount.
Mass. Gen. Laws ch. 94C, § 94C:21C