Region Average Generic Copayment (Dollar Amount) Average Preferred Brands Copayment (Dollar Amount) Average Nonpreferred Brands Copayment (Dollar Amount) Average Brands Copayment (Dollar Amount) Average Lifestyle Copayment (Dollar Amount) Average Specialty Copayment (Dollar Amount) Northeast $18.37 $46.58 $78.92 $44.71 $75.00 $75.00 South $21.36 $57.41 $94.79 $68.06 N/A $185.00 Midwest $21.51 $53.55 $91.17 $68.88 $80.00 $110.00 West $19.21 $50.00 $89.66 $41.38 $0.00 $96.00 Total $20.23 $51.70 $88.04 $57.78 $62.00 $117.79