Table 1.

Diagnostic criteria for Autism Spectrum Disorder as well as Specifiers and common associated behavioral and cognitive symptoms.

Core Autism Symptoms	Specifiers	Associated Symptoms
Social Communication Impairment 1	Intellectual impairment	Irritability
Social-emotional reciprocity	Language impairment	Impulsivity
Nonverbal communication	Medical condition	Anxiety
Understand relationships	Genetic condition	Attention Deficit
Restricted, Repetitive Behavior 1	Environmental factors	Hyperactivity
Repetitive motor movements	Other DSM diagnosis	Executive Dysfunction
Inflexible to change	Catatonia	Learning Disorder
Restricted, fixated interests
Sensory Sensitivities

¹ The severity of each of these two core domains are rated based on the amount of support required: (1) Requiring support, (2) Requiring substantial support, or (3) Requiring very substantial support.