Hello, my daughter is 17 months old. In her KFT Creatinine is .22 mg/dL and Blood Urea Nitrogen is 14 mg/dL but BUN/Creat Ratio is 63.64. What does it mean? I am worried about it.

We do not use the Blood Urea Nitrogen (BUN) to Creatinine (Creat) ratio to make any diagnosis.  It is of no consequence.  If the BUN and Creatinine are normal, nothing needs to be done.

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