This sounds a lot like my son who now has an IEP in place. The "school diagnosis" is "Specific Learning Disability" (SLD), the "medical diagnosis" is dyslexia. It is a processing disorder in the memory, and my son's is pinpointed in the short-term memory.
His IEP allows almost everything to be read, and scribed (written for him). Next year in 3rd grade, he will begin to use word processing and recognition software (like what is on our cell phones...auto correct).
They also mentioned an anxiety disorder, but I really don't see too many signs of one. He is stressed about school because he is social and not doing well...THAT was causing anxiety. His Dad is mostly clueless and stupid with no boundaries, but I keep a sharp eye on how DS is handling everything. I'll probably put him in therapy by next year (as a 9 year old) when he can process his emotions a bit better.
We also have to do summer school, or "extended school year" ESY with all of his accommodations in place. He hates having to do more school...but I tell him he has to work harder than other kids and we are still learning how his brain works.
Overall, his reading is improving. I may have him tested for ADD, but I think most of what we are seeing is the learning disability and the problems surrounding that.
You did the right thing. I hope your school helps you because getting on an IEP here was an act of Congress. If we didnt' have the dx of SLD, then he wouldn't have qualified. A "just in case he needs it" wouldn't fly here. It needs to say, "HE NEEDS IT." As his teachers told me, "The squeaky wheel gets the grease."