Testing Locations » South Carolina » Florence SC » Regional Health & Testing Center L.L.C. – Regional Health & Testing Center L.L.C. – Drug Testing Only (Preferred) Regional Health & Testing Center L.L.C. – Regional Health & Testing Center L.L.C. – Drug Testing Only (Preferred) Regional Health & Testing Center L.L.C. – Regional Health & Testing Center L.L.C. – Drug Testing Only (Preferred)376 W Palmetto StFlorence, SC 29501-4418 United States