I posted this in a different thread back in March, but it seems relevant here:
Well, of course different people will define these disabilities different ways. But I can tell you that my DD9 has been diagnosed with dysgraphia but not dyslexia. I asked her neuropsych specifically about stealth dyslexia and she said that DD9 seems to have excellent auditory working memory, and her ability to read single words aloud (which she called a hallmark of dyslexia) is also excellent. She made some errors in the nonsense words, but the neuropsych said they seemed to be developmentally appropriate. She said it's worth keeping our eyes open to see if reading problems develop, but that right now, she really appears to have only dysgraphia and not dyslexia. This is someone who works with the Eides on occasion and whom I really trust.
I'm not familiar enough with the tests your DS had to know whether any of this applies, or does not apply, to him, but it might give you food for thought in terms of teasing apart possible diagnoses.
