ICD-10-CM

ICD-10 code for Autism: F84.0

The ICD-10-CM index points "Autism" to F84.0, Autistic disorder. F84.0 is a billable code.

Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page

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A header groups codes and is not billed. A billable code is one you can report.

A header groups codes and is not billed. A billable code is one you can report.

The CDC tabular list says a second code may be needed with this one. The note does not set which is listed first.

From F84. A note on a category applies to every code under it.

Code also any associated medical condition and intellectual disabilities

Excludes1 means these codes are not reported together.

What is the ICD-10 code for Autism?

The ICD-10-CM index points "Autism" to F84.0, Autistic disorder. F84.0 is a billable code.

Is F84.0 billable?

Yes. F84.0 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.

What documentation notes apply to F84.0?

The CDC tabular list gives 1 Excludes1 note (not coded together) for F84.0 and the categories above it. They are listed on this page.

What chapter is F84.0 in?

Chapter 5. Mental, behavioral and neurodevelopmental disorders.

When do ICD-10-CM codes change?

Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.