S.C. Code Ann. § 44-130-40
This program must be administered by the State Budget and Control Board through its Office of Insurance Services. The office may designate or enter into contracts with other entities to assist in this administration. The program may include:
(3) prospective and retrospective utilization review, clinical management, and other administrative techniques used in the management of the State Health Insurance Plan in order to reduce drug interactions, overutilizations, therapeutic duplications, or early refills.
When requested by the office, other state agencies shall provide assistance or information necessary in the administration of this program.