Indiana Code Title 27. Insurance § 27-13-15-6

Sec. 6. (a) As used in this section, “drug” means a prescription drug.

(b) As used in this section, “health maintenance organization” refers to a health maintenance organization that provides coverage for drugs.  The term includes the following:

(c) As used in this section, “pharmacy” refers to a pharmacist or pharmacy that is a participating provider.

(d) A pharmacy or pharmacist shall have the right to provide an enrollee with information concerning the amount of the enrollee's cost share for a prescription drug.  Neither a pharmacy nor a pharmacist shall be proscribed by a health maintenance organization from discussing this information or from selling to the enrollee a more affordable alternative if an affordable alternative is available.

(e) A health maintenance organization that covers prescription drugs may not include a provision that requires an enrollee to make payment for a prescription drug at the point of sale in an amount that exceeds the lesser of:

This subsection does not prohibit the adjudication of claims in accordance with an individual contract or group contract issued or administered by a health maintenance organization.  The enrollee is not liable for any additional charges or entitled to any credits as a result of the adjudicated claim.

(f) The health maintenance organization or a pharmacy benefit manager may not require a pharmacy or pharmacist to collect a higher copayment for a prescription drug from an enrollee than the health maintenance organization or pharmacy benefit manager allows the pharmacy or pharmacist to retain.