BUN
Alternate Names : Blood Urea Nitrogen
What do the test results mean?
Normal values for BUN are 7 to 20 milligrams per deciliter (mg/dl) of blood.
Levels lower than normal may indicate:
liver failure
a diet too low in protein
malnutrition
overhydration, or too much fluid in the body
Levels higher than normal may indicate:
congestive heart failure, or heart disease
starvation
eating too much protein
gastrointestinal bleeding
burns
dehydration, or not having enough fluids in the body
myocardial infarction, or heart attack
kidney disease
kidney failure
shock
obstruction of the urinary tract
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