GPT and liver disorder: According to the American Association for the Study of the Liver Disease (AASLD) guidelines, the upper limit of normal ALT (ULN) is 35 U/L for men and 25 U/L for women, [3] while the European Association for the Study of the Liver (EASL) and the Asian Pacific Association for the Study of the Liver (APASL) guidelines suggest 40 U/L for both men and women [4, 5].