F84.9

Pervasive developmental disorder, unspecified

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

This is the unspecified option. 5 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 1 never code together

Excludes2

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

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

Instructional notes 3

F84code

Code also

Inclusion terms

Includes

Index entries leading here 4

Autism, autistic (childhood) (infantile) F84.0
- atypical F84.9
Disability, disabilities
- intellectual F79
  - with
    - autistic features F84.9
Delay, delayed
- development R62.50
  - pervasive F84.9
Disorder (of) — see also Disease
- developmental F89
  - pervasive F84.9
- pervasive, developmental F84.9

Alongside this code 5 same parent — F84

Additional references

AHA Coding Clinic® Licence required

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

Present FY2024–FY2027.