A health insurer, including a group health plan as defined in Section 607(1) of the Employee Retirement Income Security Act of 1974 or health maintenance organization as defined in Section 38-33-20, may not impose requirements on a state agency, which has been assigned the rights of an individual eligible for medical assistance under Medicaid who is also covered under a plan issued by the health insurer, that are different from requirements applicable to an agent or assignee of any other individual so covered.
S.C. Code § 38-71-255