BD Vacutainer PST Gel and Lithium Heparin (LH); 83 Units; Plus Blood Collection Tubes; Sterile; IVD; REF 367962; 4.5 mL, 13 X 100 mm; BD, Franklin Lakes, NJ USA; Made in USA. || Used in hospitals, outpatient clinics and physicians' offices to collect blood from patients for specialized chemistry testing.