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ICD-10-CM 2027 diagnosis code

F84Pervasive developmental disorders

Not billable — use a more specific code

F84 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About F84

F84 is the ICD-10-CM diagnosis code for pervasive developmental disorders. It belongs to block F80-F89 (pervasive and specific developmental disorders) and chapter 5 (mental, Behavioral and Neurodevelopmental disorders). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: F84.0 (disorder), F84.2 (syndrome), F84.3 (disorder), F84.5 (syndrome), F84.8 (disorders) and F84.9 (unspecified).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under F84

Coding notes

Code alsoTwo codes may be needed; sequencing depends on circumstances
  • any associated medical condition and intellectual disabilities

Notes that apply from higher levels

Instructions written at a parent level also apply to F84.

Broader instructions also apply from Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

Codes whose notes reference F84

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about F84

Is F84 billable?

No. F84 is a header code. Report one of its more specific subcodes instead.