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Blood Urea Nitrogen

Overview Brief

A Blood Urea Nitrogen test is done to check the functioning of the kidneys by measuring the amount of urea nitrogen in the blood.

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 What is Blood Urea Nitrogen?

A Blood Urea Nitrogen test is used to determine how well the kidneys are working and is one by measuring the amount of urea nitrogen in the blood. 

The Blood Urea Nitrogen levels tend to increase when the kidneys or liver are damaged. Excess of urea nitrogen in the blood can be a sign of kidney or liver problems which may result in heart, kidney or liver disease or even failure.

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Why is Blood Urea Nitrogen suggested?

A Blood Urea Nitrogen test is suggested to uncover kidney problems at an early stage when treatment can be more effective

How is Blood Urea Nitrogen performed?

Blood Urea Nitrogen is a simple test that involves injecting out blood by a technician.

  • Initially, the area of your upper arm will be cleaned by an antiseptic.
  • An elastic band will be tied around your arm will make your veins swell to expose the vein.
  • Using a sterile needle into a vein, blood is drawn into a tube attached to the needle.

What are the parameters measured in Blood Urea Nitrogen?

In general, the level of Urea Nitrogen in the Blood is checked and 7 and 21 mg/100 mL blood is considered normal. 

Preparation before Blood Urea Nitrogen

Blood Urea Nitrogen test does not need any special preparations. However, it’s important to tell your doctor if you’re taking any medicines that could vary the results of the test.

Post-care after Blood Urea Nitrogen

No suggested post care is recommended after a Blood Urea Nitrogen test, but If your health care provider suspects you have kidney or liver disease some precautions or additional tests may be recommended.

Sample types in Blood Urea Nitrogen

For Blood Urea Nitrogen test, blood in a red top in a Plastic container of about 0.5 mL is required.

Sample types in Blood Urea Nitrogen

For Blood Urea Nitrogen test, blood in a red top in a Plastic container of about 0.5 mL is required.

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