Yes.
The genie passes are given out away from WDW; at Give Kids the World for families staying there or by the Wish Granting organization for families not staying there.
If your family is not staying at GKTW, check with your Wish Granting organization - Make a Wish is the largest and children on Wish Trips thru MAW do get the genie pass. Not every wish granting organization has a relationship with Disney to give out genie passes. Children on Wish trips from those organizations would get
DAS from Park Guest Relations.
You would want to consider getting DAS for your child with autism if he will not always be with the wish child or if he wants to go on things she can't go on.