feb 2011, ast 36 alt 59. Didn t drink or take any meds, retested March 2011, ast 90 alt 142. ultrasound was 100% normal so rechecked enzymes today along with cbc, anti-smooth muscle test and hep a,b and c tests. what could be the cause if high again? Rhuematologist said if high again will need to refer me to specialist.