How reliable are bilirubin reagent pads in dogs and cats?
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“Bilirubin reagent pads may be unreliable as screening tests in dogs because of a high percentage of false-positive and false-negative results in this species. In contrast, positive bilirubin test results in cats are usually indicative of some underlying disease.”
-Carl A. Osborne, DVM, PhD, DACVIM
From Urinalysis: What is your interpretation?