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The normal range for a BUN test depends on your age and sex, or the one you were assigned at birth. Normal BUN levels. Your result will be a number that measures how much BUN is in your blood.
General reference ranges for a normal BUN level are as follows: Adults up to 60 years of age: 6-20 mg/dL; Adults over 60 years of age: 8-23 mg/dL; However, these ranges will likely vary from lab ...
Blood urea nitrogen. Normal range: 7 to 20 mg/dL Higher levels (greater than 20-40 mg/dL) may be indicative of altered kidney function. Elevated BUN values may also be seen in a high-protein diet, ...
A normal urea level in the urine is 12 to 20 grams over 24 hours. Individual labs may have reference ranges that vary slightly and can be different based on sex or age.
In the normal group the levels fell from an initial range equivalent to blood urea nitrogen values of 14.1 to 20.5 mg. down to a range of 6.8 to 9.5 mg. per 100 ml.; in the latter group, the ...
After the blood urea nitrogen returned to normal the diuresis ceased. The urine volume decreased to 0.83 ml. per minute, and the maximum osmotic ratio of urine to serum after vasopressin was 1.8.