Hello...
Do you hav any issues except raised bilirubin.. like Yellow coloured eyes, Itching on body, yellow urine etc.
Do u use Alcohol ...??? If yes Whats duration, frequemcy & quantity..
As u say USG is done & no obstruction it might be some problem with
Liver function. Ask ur physician to get complete Liver Function done.
Follow diet as per instructions.
Feel free to ask queries ..
Thank you