How do you test for blood in urine?
A test called a urinalysis can detect whether there is blood in your urine. A urinalysis checks a sample of your urine for different cells, chemicals, and other substances, including blood. Most causes of blood in your urine are not serious, But sometimes red or white blood cells in your urine can mean that you have a medical condition that needs treatment, such as a kidney disease, urinary tract infection, or liver disease.
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What is it used for?
A urinalysis, which includes a test for blood in urine, may be done as part of a regular checkup or to check for disorders of the urinary tract, kidney, or liver.
Why do I need blood in urine test?
Your health care provider may have ordered a urinalysis as part of a routine exam. You may also need this test if you have seen blood in your urine or have other symptoms of a urinary disorder. These symptoms include:
- Painful urination
- Frequent urination
- Back pain
- Abdominal pain
What happens during the blood in urine tests?
Your health care provider will need to collect a sample of your urine. During your office visit, you will receive a container to collect the urine and special instructions to make sure that the sample is sterile. These instructions are often called the "clean catch method." It includes the following steps:
- Wash your hands.
- Clean your genital area with a cleansing pad given to you by your provider. Men should wipe the tip of their penis. Women should open their labia and clean from front to back.
- Start to urinate into the toilet.
- Move the collection container under your urine stream.
- Collect at least an ounce or two of urine into the container, which should have markings to indicate the needed amounts.
- Finish urinating into the toilet.
- Return the sample container as instructed by your health care provider.
Will I need to do anything to prepare for the test?
You don't need any special preparations before getting a test for blood in your urine. If your health care provider has ordered other urine or blood tests, you may need to fast (not eat or drink) for several hours before the test. Your health care provider will let you know if there are any special instructions to follow.
Are there any risks to the test?
There is no known risk of having a urinalysis or blood in urine test.