INTENDED USE: The Arrowhead Urinalysis Stabilized Transport Tube is intended for the use in protection of fresh urine specimens from time of voiding up to and not to exceed 72 hours. REAGENT PRESERVATIVE: The Arrowhead Urinalysis Stabilized Transport Tube incorporates a preservative reagent that is incorporated in the wall of the tube. This tube protects the urine specimen up contact of the tube wall. The preservative reagent contains no mercury and is water soluble. DIAGNOSTIC RESULTS: The Arrowhead Urinalysis Stabilized Transport Tube has been shown to have no interference with standard regent strip chemistries. The tubes have been tested to assure preservation of formed elements common to urine specimens including, erythrocytes, leukocytes, hyaline casts, bacteria and epithelial cells.