Children aged about 9 ( daugter) and 7 ( Son)serum billrubin -total 0.7 & 0.6, Serum billrubin direct both have 0.2, SGOT 29.00, 24.00 UI/L; SGPT 17.00 , 16.00 UI/L; ALP 175, 172 ui/l Except my children alkaline phospate evaluated. hbsag negitive. Are they have high ast and alt? Are they infected with any liver disorder? What is the normal AST and ALT of children?