It is customary to report pus cells in numbers per high power field (of x 45 or x 40 objective lens and x 10 eyepiece lens giving a total magnification of 450 or 400). If there are more than 10 pus...
If it is a hair follicle test them any and every thing in the past 6 months. Urine usually cocaine, marijuana, heroin, or opiates, meth and barbituates.