PLEASE HELP INSUSANCE APPEAL

I have private insurance in Illinois called Illinois pre-existing condition insurance (ADMINISTRATED BY HEALTH ALLIANCE) IT THE NEW INSURANCE THE GOVERNMENT CAME OUT OF FOR PEOPLES WITH PRE-EXISTING CONDITION. I WAS DENIED REVISION FROM LAP-BAND TO VSG MY SURGERY SUPPOSE TO BE IN CHICAGO WITH DOCTOR HENRI QUE ELLIE AT THE UNIVERSITY OF ILLINOIS CHICAGO CAN PLEASE SOMEONE WITH INSURANCE APPEAL HELP ME I REALLY NEED THIS SURGERY
THANKS.....