Microscopic Hematuria | Diagnosis & Tests

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How will my doctor check for microscopic hematuria?

Your doctor will usually start by asking you for a urine sample. He or she will test your urine (urinalysis) for the presence of red blood cells. Your doctor will also check for other things that might explain what is wrong. For example, white blood cells in your urine usually mean that you have an infection. If you have blood in your urine, your doctor will ask you some questions to find out what caused it.

If the cause isn't clear, you may have to have more tests. You might have an ultrasound or an intravenous pyelogram (this is like an X-ray). A special tool, such as a cytoscope or an endoscope, may be used to look inside of your bladder. These tests are usually done by a urologist.

How do I give a urine sample?

A nurse will give you an antiseptic wipe (to clean yourself) and a sterile urine collection cup. In the bathroom, wash your hands with soap and warm water first.

  • For women: Use the antiseptic wipe to clean your vagina by wiping yourself from front to back 3 times before you urinate. Fold the wipe each time you use it, so that you are wiping with a clean part each time.
  • For men: Use the antiseptic wipe to clean the head of your penis. If you're not circumcised, pull the foreskin back behind the head of the penis before you use the wipe. Move the wipe around the head of your penis before you urinate.
  • Start urinating in the toilet. About halfway through the urination, start catching the urine in the cup.
  • Wash your hands with soap and warm water.
  • Give the sample to the nurse. Someone will look at your urine under a microscope to see if it has blood in it.

Source

Evaluation of Asymptomatic Microscopic Hematuria in Adults by TR Thaller, M.D. and LP Wang, M.D. (American Family Physician September 15, 1999, http://www.aafp.org/afp/990915ap/1143.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 03/14
Created: 09/00

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