Urine and blood test, blood normal, urine showing white blood cells and doc referred for ultrasound why? In some pain side/Lowe adm

Imagining study. Ultrasound is a safe, non-invasive and inexpensive way to look at the structure of internal organs and is a good first imaging study to investigate WBC in urine. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex.