How often are prescription drugs the reason for elevated liver enzymes? The results are as follows AST 52 (range 15-37) ALT 123 (range 12-78) Anion gap 7 (range 8-17) A few things out of range other then this but not much or noteworthy. Young man with HFA, Narcolepsy, depression, anxiety. Takes medication for each, provigil, prozac, ability, buspar