F84.0

Autistic disorder

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 2 never code together

F84.0code

Excludes1

Asperger's syndrome (F84.5)F84.5 F84.5

F01-F99chapter

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 6

F84.0code

Inclusion terms

Autism spectrum disorder
Infantile autism
Infantile psychosis
Kanner's syndrome

F84code

Code also

any associated medical condition and intellectual disabilities

F01-F99chapter

Includes

disorders of psychological development

Index entries leading here 4

Autism, autistic (childhood) (infantile) F84.0
- spectrum disorder F84.0
Disorder (of) — see also Disease
- autism spectrum F84.0
- autistic F84.0
- semantic pragmatic F80.89
  - with autism F84.0
Psychosis, psychotic F29
- childhood F84.0
- infantile F84.0
Syndrome — see also Disease
- Kanner's (autism) F84.0

Alongside this code 5 same parent — F84

F84.2 Rett's syndrome F84.3 Other childhood disintegrative disorder F84.5 Asperger's syndrome F84.8 Other pervasive developmental disorders F84.9 Pervasive developmental disorder, unspecified

Medications 1

9 Autistic Disorder drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

This code

Billable: yes
Code set: FY2026
Parent: F84
Block: F80-F89
Siblings: 5

Present FY2024–FY2027.

F84.0

Risk adjustment

This code