The Diagnostic and Statistical Manual of Mental Disorders, 5th Edition: DSM-5  defines Neurodevelopmental disorders as "a group of conditions with onset in the developmental period. The disorders typically manifest early in development, often before the child enters grade school, and are characterized by developmental deficits that produce impairments of personal, social, academic, or occupational functioning". 

The DSM-5 categorizes the following disorders under Neurodevelopmental Disorders:

Intellectual Disorders:

• Intellectual Developmental Disorder
• Global Developmental Delay 
• Unspecified Intellectual Disability

Communication Disorders

• Language Disorder 
• Speech Sound Disorder
• Childhood-Onset Fluency Disorder (Stuttering) 
• Social (Pragmatic) Communication Disorder 
• Unspecified Communication Disorder

Autism Spectrum Disorder

Attention-Deficit/Hyperactivity Disorder 

Specific Learning Disorders

• Impairment in reading
• Impairment in written expression
• Impairment in mathematics

Motor Disorders

• Developmental Coordination Disorder
• Stereotypic Movement Disorder

Tic Disorders

• Tourette's Disorder
• Persistent (Chronic) Motor or Vocal Tic Disorder 
• Provisional Tic Disorder
• Other Specified Tic Disorder 
• Unspecified Tic Disorder

Other Neurodevelopmental Disorders