I have been going through testing with my local regional center; the tester lady who also teaches at the university said I fit the criteria of H.F.A due to delayed speech. I am still not clear on the differentials, they are labels, I just know A.S does not qualify from what I was told.
Although I would lobby there funding in the form of grants that they receive to assist those with A.S who would benefit.
They typically help people with more severe disabilities, H.F.A is one of them. However to use proper terminologies I would say more differences.
Requist an appeal with them, ask for a new intake.