Thanks for your query. your serum bilirubin
is slightly higher than normal,negative HbsAg does not meant there can`t be hepatitis
.It can be due to some other virus or bacterial.low grade fever
also points some infection,so consult some physician or hepatologist for diagnosis & treatment.
‘Hope I have answered your query, I will be available to answer your follow up queries, “Wish you Good Health and trouble free speedy recovery”