Colorado Revised Statutes Title 25.5. Health Care Policy and Financing § 25.5-1-134. Prescription benefits--department and pharmacy benefit manager--contracts--audit--rules

(1) For contracts between a pharmacy benefit manager and the state department or one of its affiliated managed care organizations offering a prescription benefit plan that is issued or renewed on or after January 1, 2025, the amount charged by the pharmacy benefit manager to the state department or managed care organization for a prescription drug dispensed to an enrollee in the program of medical assistance created pursuant to section 25.5-4-104 must be equal to or less than the amount paid by the pharmacy benefit manager to a medicaid pharmacy for the prescription drug dispensed to the enrollee.

(2) The state board shall promulgate rules to implement this section, including rules guiding an audit of managed care or fee-for-service claims, to ensure that there is no violation of subsection (1) of this section.