If there are 2-E concerns with fine motor, writing, and reading, I would absolutely not trust the schools to evaluate this, based on my experiences with schools and my DS. You almost certainly need a tester who has experience with gifted kids who also have disabilities.

You might also want to pick up a copy of James Webb's "Misdiagnosis and Dual Diagnosis of Gifted Children and Adults" to help you in your efforts to keep your child from being mislabeled.