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A member asked:
My bun result is 21, and bun/creatinine ratio is 29. i have struggled with vit d and b12 deficiencies in the past. should i be concerned?
A doctor has provided 1 answer
While your BUN: (blood urea nitrogen) is slightly high (usual normal is up to 20), your BUN/creatinine ratio is higher at 29 (usual normal is also up to 20). An increased ratio may be due to a condition that causes a decrease in the flow of blood to the kidneys such as dehydration or congestive heart failure. Vitamin D or B12 levels should not impact this. Discuss with the doctor who ordered these tests for you.
Answered 12/19/2019
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