8 to 33 U/L The high end of the reference range is referred to as the upper limit of normal (ULN). This number is used to establish how elevated your liver enzymes are. High AST or ALT levels can ...

Although some guidelines support this practice, we still have relatively little information about disease progression in patients with persistently normal liver enzyme levels. Researchers in India ...

Laboratory Tests of Liver Function [2] While most of the so-called liver enzymes are normal, certain less specific blood chemistries may progressively rise or fall throughout pregnancy (Table I).