[Butch Cassidy Slept Here]

Health insurance pays for actual medical treatment, not transportation. Claim forms, as submitted by a doctor, must contain a specific numeric code(s) which identify the treatment(s) given. What is the code number for a flight to Chicago??

As Phx pointed out there will be people who will forge documentation. The only realistic way to deal with the issue of "emotional support" animals is to enact regulations restricting the type and size animal that can be brought on board. In addition, imposing a fee at least equal to what is charged for a conventional pet in a carrier seems fair. Ideally, if stretchers are not allowed on scheduled flights (and rightly so) then why allow uncrated animals??