S.C. Code Ann. § 44-7-510
As used in this article:
(1) "Affected persons" means a health care provider or purchaser:
(6) "Health care purchaser" means a person or organization that purchases health care services on behalf of an identified group of persons, regardless of whether the cost of coverage of services is paid for by the purchaser or by the person receiving coverage or services including, but not limited to: