S.C. Code Ann. § 38-71-125

All individual and group health insurance policies and health maintenance organizations providing coverage for the hospitalization for mastectomies must provide benefits for hospitalization for at least forty-eight hours following a mastectomy. Nothing in this section shall be construed to prohibit an attending physician from releasing the patient prior to the expiration of the time provided herein. In the case of an early release, coverage shall include at least one home care visit if ordered by the attending physician.