S.C. Code Ann. § 13-7-100

This article does not apply to any employee of a licensed hospital in this State when performing services commonly within the definition of radiologic technology as long as the services are performed within the course and scope of his employment as an employee of the hospital. No regular employee of a licensed hospital in this State is required to be licensed as a condition of employment by or for performance of these services as long as he does not represent himself as a radiological technician.