S.C. Code Ann. § 38-71-790
The benefits payable under any policy or contract of group accident, group health, and group accident and health insurance are payable to the employee or to some beneficiary or beneficiaries designated by him, other than the employer. However, if there is no designated beneficiary as to all or any part of the insurance at the death of the employee or member, then the amount of insurance payable for which there is no designated beneficiary is payable to the estate of the employee or member, except that: