ICD-10-CM
ICD-10 code for Disorder (of) pervasive, developmental: F84.9
The ICD-10-CM index points "Disorder (of) pervasive, developmental" to F84.9, Pervasive developmental disorder, unspecified. F84.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
Run it in Rivvi
Check every code on your export
Upload a claims or problem-list export. Rivvi flags codes that are not billable, replaced, or unspecified when a specific code exists.
Check my exportFree to start. Opens Rivvi, the AI workspace for healthcare teams.
More specific codes in F84
A header groups codes and is not billed. A billable code is one you can report.
Code also
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
Related conditions
Related pages
- F84.9 code detailsNotes, nearby codes, CMS-HCC group
- Category F84Every code under it
- Chapter 5Mental, behavioral and neurodevelopmental disorders
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Disorder (of) pervasive, developmental?
The ICD-10-CM index points "Disorder (of) pervasive, developmental" to F84.9, Pervasive developmental disorder, unspecified. F84.9 is a billable code.
Is F84.9 billable?
Yes. F84.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is F84.9 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.