Deciding what to do when one only one enzyme activity is elevated.
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“In cases in which only a single liver enzyme activity is increased and the increase is less than three times the upper reference range limit, you may choose to perform a bile acid assay or repeat the serum chemistry profile in four weeks.”
-Johanna Cooper, DVM, and Cynthia R.L. Webster, DVM, DACVIM
From The diagnostic approach to asymptomatic dogs with elevated liver enzyme activities