Colorado Revised Statutes Title 10. Insurance § 10-16-103.6. Copayment-only prescription payment structures--required inclusion in health benefit plans--rules

(I) The copayment amount for the highest prescription drug cost tier must not be greater than one-twelfth of the health benefit plan's out-of-pocket maximum amount;

(II) The copayment amounts between the two highest prescription drug cost tiers must have a cost difference of at least ten percent;

(III) No more than fifty percent of the drugs on the prescription drug formulary used to treat a specific condition may be placed on the highest prescription drug cost tier; and

(IV) Each carrier shall use “Rx Copay” at the end of the marketing names for each copayment-only payment structure.