DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

F84.0 diagnosis code · Billable code · FY2027

F84.0 Autistic disorder

  • Billable
  • CC
  • POA reported

F84.0 ICD-10 code: a billable diagnosis code in FY2027, one of 6 billable codes in category F84.

ICD-10 code by name

What is the ICD-10 code for autism?
Autism ICD-10 code: F84.0 Autistic disorder. Alphabetic Index: Autism, autistic (childhood) (infantile) → F84.0. Search ICD-10 for autism
CC / MCC
CC
MS-DRG
884
HCC V28
–
POA
Reported
Code Editor
–
Index entries
8

Instructions

At F84.0

Inclusion terms

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

Excludes1

  • Asperger's syndrome (F84.5) F84.5

Notes that also apply

Code also from F84

  • any associated medical condition and intellectual disabilities

Chapter 5 instructions (Includes 1, Excludes2 1): printed on the chapter 5 page.

Index entries

  • Autism, autistic (childhood) (infantile) → F84.0
  • Autism, autistic (childhood) (infantile)spectrum disorder → F84.0
  • Disorder (of)autistic → F84.0
  • Disorder (of)autism spectrum → F84.0
  • Psychosis, psychoticchildhood → F84.0
  • Psychosis, psychoticinfantile → F84.0
  • SyndromeKanner's (autism) → F84.0
  • Disorder (of)semantic pragmaticwith autism → F84.0

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for F84.0
CC / MCCCC
PDX exclusion list0658 (294 codes)
Appendix BMDC 19 Mental Diseases and Disorders, MS-DRG 884 (Organic Disturbances and Intellectual Disability…)
Code Editor–
POAReported
HCC V28–

CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy