question: MAle , 51 years oldI had a full blood picture, VDRL and urine analysis.for med insurance purposes.Blood picture all normal, VDRL negative, 10-15 pus cells in urine is the only symptom not in normal range.I understand there are dozens of possible reasons for pus in urine, including kidney stones (that I had 15 years ago) and a urine culture is advisable.However on a simpler note