Among patients with HBsAg loss , 14 ( 61 % ) , 1 ( 4 % ) , 0 and 7 ( 30 % ) were genotypes A through D , respectively ; 1 ( 4 % ) was genotype F. HBsAg loss was preceded by viral suppression ( HBV DNA < 29 IU/ml ; n = 23 ) and HBeAg loss ( n = 19 ) .