Oral CGRP antagonists, the gepants, are commonly denied not because a reviewer doubted the diagnosis but because the plan prefers cheaper acute treatment. That makes most of these denials a formulary problem, and formulary problems have a defined route back: an exception request that shows the covered alternatives are ineffective, harmful or clinically inappropriate for you specifically.
Why was my gepant denied?
It is not on the formulary, or it is on an unaffordable tier. Plans build their lists around preferred agents, which for acute migraine usually means triptans and older combinations. A drug off the list is denied by the list, not by a clinician.
Step therapy. Many policies require documented trials of triptans, sometimes more than one, before a gepant is covered. If the notice names drugs to try first, the appeal is a step therapy override.
Quantity limits. These drugs are frequently capped at a set number of doses per month. Someone with a higher attack frequency can be covered in principle and still short of medication every month.
Overlapping coverage rules. Where a gepant is prescribed for prevention as well as acute treatment, or alongside a preventive injectable, plans often apply a separate policy to the combination and deny on that basis.
What does the denial letter actually mean?
"Non-formulary" means the drug is not on the covered list, and the answer is a formulary exception. A tier that makes the drug unaffordable means the answer is a tiering exception, which asks that it be charged like a preferred medication. "Quantity limit exceeded" means the coverage exists and the amount does not. "Step therapy required" points at a different route entirely.
All of these are described on the formulary exception page, and all of them share one requirement: the request has to address each covered alternative by name and explain, clinically, why it is not appropriate for you.
What can I do in the next 48 hours?
The general steps are in the first 48 hours after a denial. For a gepant denial, gather three things.
Ask the plan in writing for its current formulary entry for the drug, the exception process, and the criteria it applied. Ask your prescriber's office for the history of acute treatments tried, with dates, doses and outcomes, and for the record of any reason a triptan is contraindicated or was not tolerated. Record your attack frequency, because a quantity-limit exception is argued from it.
If the notice is ambiguous about which route applies, the free denial check will narrow it in about a minute.
How does a physician-written appeal help for gepant denials?
An exception turns on a specific clinical showing about the alternatives, and that showing has to be made drug by drug rather than in general terms. A licensed physician reviews the record, tells you candidly whether the case has merit, and where it does writes a letter that addresses each covered alternative by name with the clinical reason it does not fit, sets out what you have taken and what happened, requests a tiering exception where affordability rather than coverage is the barrier, and cites the guidelines and labeling supporting the prescribed drug for your indication.
Cove Health cannot guarantee results. It can put the argument the exception rules ask for on the record, in writing.
Cove Health provides advocacy services. Information on this site is general information, not legal or medical advice. Cove Health is not a law firm and does not provide legal representation, and submission of records does not guarantee a particular outcome.