A member asked:

What does it mean when my bun creatinine ratio is 8.9? is this bad? my ast was 13 u/l, should i be concerned? unintentional fasting before testing.

A doctor has provided 1 answer

Ratio: If the BUN is elevated out of proportion to the creatinine, it could signify dehydration or bleeding into the intestinal tract. Your ratio appears to be normal. The normal BUN is up to 20 and the creatinine is up to about 1.2(ratio close to 20).

Answered 5/21/2019

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