AZO TEST STRIPS, URINARY TRACTINFECTION (3/BX) Detects the presence of urinary tract infection Two tests in one – including both Leukocyte (white blood cells) and Nitrite tests – both tests commonly used to diagnose a UTI Wet one test strip by holding it in the urine stream for one to two seconds Read results at one minute for nitrite and two minutes for leukocytes Match the color of the test strip pads to the color blocks on the foil pouch