33-22-176. (Effective January 1, 2020) Limitation on copayments. A pharmacy benefit manager or third-party payer may not charge a patient a copayment that exceeds the cost of the prescription drug. If a patient pays a copayment, the dispensing provider or pharmacy may retain the adjudicated reimbursement and the pharmacy benefit manager or third-party payer may not alter the adjudicated reimbursement.