Your insurance policy more than likely will pay for her treatments, and possibly lost wages, although lost wages very well may not be a provision of your policy. I would make sure that the treatments your wife is receiving are covered by your auto insurance and, or your health insurance.
I'm trying so hard not be jokingly rude...
pain and suffering are usually, if not always, awarded as the result of a negligent act, whereby the negligent party caused the pain and suffering that the injured would not have experienced except for the negligent act.
Put more simply, the deer probably didn't have any insurance policy...darn it, I said it anyway!