 [ Symptoms ] will azo standard affect my uti test [ Disease ] yes and no it depends on the type of test azo is a bright orange dye that discolors the urine on office dipstick type urine tests there are about a dozen different tests on those dipsticks that can be done but these must be read on a color scale fluorescent orange urine can interfere with the readings a microscopic test or urine culture would not be effected by discoloration