Back To: Clinical Laboratory Sciences Home CLS Specialty LabThe CLS Specialty Lab, situated within the School of Health Professions at the University of Texas Medical Branch in Galveston, is an academic clinical laboratory specializing in esoteric testing. Scope of Service Laboratory Test Directory Lab Accreditation Faculty & Staff Contact UsDepartment of Clinical Laboratory Sciences Specialty Lab301 University Blvd.Galveston, TX 77555-1140P: 409-772-2194F: 409-877-5560