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Ultrasound tests use sound waves to create images of the internal organs. Kidney and bladder ultrasounds are frequently ordered to evaluate the organs of the genitourinary system which include the kidney, ureters, and bladder.

Your doctor's order may read "r/o kidney stones", "hematuria" (blood in urine) or "renal disease", "flank pain" for example.

(FYI "r/o" stands for rule out)

Below are some common indications for an kidney and bladder ultrasounds.

• Look for kidney infection (pyelonephritis) or injury.
  
• Look for kidney tumors such as renal cell cancer, angiomyolipoma.
• Evaluate the  kidney for disease and failure.
• Evaluate the kidney for stones that can cause flank (side) pain or blood in the urine.
• Look for ureteral blockages from stones, tumors or scarring.
  
• Look for an bladder stones, tumors, or infection that can cause pain and blood in the urine.

Kidney ultrasounds are also used to help kidney specialists (nephrologists) guide biopsy needles when tissue is needed for a definitive diagnosis in renal failure. They are also used to look for bladder urine retention.

Below is a brief outline of the procedure.

1. You will be asked to drink water to fill up your bladder.
   
2. After you sign in, you'll be taken to the ultrasound room.
3. An ultrasound technician will perform the test.
4. Once you enter the room, you will lie down on a bed/gurney.
5. The technologist will ask you to lift up your clothing, exposing your stomach and mid back area.
6. He or she will place a a warmed gel solution over the skin.
7. The technologist will use an ultrasound probe and glide it over your flanks and upper pelvis while taking pictures.
8. You may be asked to sit up for a part of the test to get better pictures of the kidneys.
9. You may also be asked to void your bladder and then return back to the ultrasound room for "post-void" images.
10. The technologist may ask the Radiologist doctor to review the scan before you leave.
11. An official report is generated by the Radiologist in about 24-48 hours.

If you are insured kidney and bladder ultrasounds are covered. However, for uninsured patients these tests can be quite expensive. These tests can cost anywhere between $200 and $500.

Have you had a Kidney and Bladder ultrasound? What was it like? Please leave your comments below