It has to do with the diagnosis code used when the prescription is submitted to insurance by the pharmacy. It also has to do with the details of your prescription insurance coverage plan. If I were you, I'd discuss this with your pharmacist - they know more about the ins & outs of how to get insurance co's to pay for prescriptions. If this insurance is through an employer, sometimes going to your HR dept. and talking with your benefits coordinator may be helpful also.
Chronic Lyme Disease, Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD ("Secondary Lupus-Like Syndrome"), Osteoporosis, Anemia, Lymphopenia, intermittant Pancytopenia, chronic malabsorption/malnutrition, etc.; G Tube; Currently TPN-dependent.
Meds: Zofran, Pulmicort, Heparin (to flush PICC line).