Call your state insurance commissioner's office. They may be able to help you with your insurance company.
Also, check out https://www.pparx.org/Intro.php and see if they list a patient assistance program that may be available to help with the cost of the medication.
Call the manufacturer of Xolair ~ they may have some ideas for how to talk to your insurance company more effectively.
Insurance through an Employer necessitates a benefits coordinater at your workplace. Talk with this person (usually in the HR department) and see if they can leverage something to help you with this situation. Maybe they have a different insurance option that would cover the Xolair that you could switch to in order to be able to get coverage for the medication.
And sometimes social workers at a local hospital are aware of other programs available in your area that can help with the cost of expensive medications such as Xolair.
Since the Xolair is administered in the doctor's office, it is possible that it could be billed as a Medical benefit instead of a Prescription benefit ~ talk with your doctor's insurance billing specialist about this.
Just some ideas...I hope this helps - take care,
Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD (Lupus?), Osteoporosis, Anemia, T- & B-Cell Lymphopenia, malabsorption/malnutrition, Lyme Disease (Igenex Lab IgM WesternBlot positive/CDC negative), etc.
Meds: Pulmicort, Injectable Vitamin B12, Herbs, Nutritional Supplements, Homeopathy.