Blood urea nitrogen (BUN) - Normal Range

The amount of urea nitrogen (a byproduct that forms when protein breaks down) in your blood. Your doctor may look at your BUN to help monitor how well your kidneys are working. Higher levels of urea nitrogen in your blood may be a sign of decreased kidney function, which is common in people with MM.

Normal blood urea nitrogen (BUN) is 8-20 mg/dL.

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