F84.0 Autistic disorder

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

Also covers

• Autism spectrum disorder
• Infantile autism
• Infantile psychosis
• Kanner's syndrome

Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

• Asperger's syndrome (F84.5)

Code also

A second code may be needed. Sequencing depends on the encounter.

• any associated medical condition and intellectual disabilities