Autism Spectrum Disorder 51
E. These disturbances are not better explained by  intellectual disability (intellectual devel-
opmental disorder) or global developmental delay. Intellectual disability and autism
spectrum disorder frequently co-occur; to make comorbid diagnoses of autism spec-
trum disorder and intellectual disability, social communication should be below that ex-
pected for general developmental level.
Note:  Individuals with a well-established DSM-IV diagnosis of autistic disorder, Asperger’s
disorder, or pervasive developmental disorder not otherwise specified should be given the
diagnosis of autism spectrum disorder. Individuals who have marked deficits in social
communication, but whose symptoms do not ot herwise meet criteria for autism spectrum
disorder, should be evaluated for social (pragmatic) communication disorder.
Specify if:
With or without accompanying intellectual impairment
With or without accompan ying language impairment
Associated with a known medical or gene tic condition or en vironmental factor
(Coding note:  Use additional code to identify the associated medical or genetic condition.)
Associated with another neurodevelopmen tal, mental, or behavioral disorder
(Coding note:  Use additional code[s] to identify the associated neurodevelopmental,
mental, or behavioral disorder[s].)
With catatonia  (refer to the criteria for catatonia associated with another mental dis-
order, pp. 119–120, for definition) ( Coding note:  Use additional code 293.89 [F06.1]
catatonia associated with autism spectrum disorder to indicate the presence of the co-
morbid catatonia.)
Recording Procedures
For autism spectrum disorder th at is associated with a known medical or genetic condition
or environmental factor, or with another ne urodevelopmental, mental , or behavioral dis-
order, record autism spectrum disorder associated with (name of condition, disorder, or