---
title: "ICD-10-CM F84.3: Other childhood disintegrative disorder | BillingBrief"
description: "ICD-10-CM code F84.3: Other childhood disintegrative disorder. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/f84.3/"
language: "en"
---

# F84.3 Other childhood disintegrative disorder

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Other childhood disintegrative disorder

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Also covers

-   Dementia infantilis
-   Disintegrative psychosis
-   Heller's syndrome
-   Symbiotic psychosis

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   Asperger's syndrome ([F84.5](https://billingbrief.com/icd10/f84.5/))
-   Autistic disorder ([F84.0](https://billingbrief.com/icd10/f84.0/))
-   Rett's syndrome ([F84.2](https://billingbrief.com/icd10/f84.2/))

### Use additional code

Add a second code for the following, when documented.

-   code to identify any associated neurological condition.

### Code also

A second code may be needed. Sequencing depends on the encounter.

-   any associated medical condition and intellectual disabilities

## Related codes

-   [`F84.0` Autistic disorder ICD-10-CM](https://billingbrief.com/icd10/f84.0/)
-   [`F84.2` Rett's syndrome ICD-10-CM](https://billingbrief.com/icd10/f84.2/)
-   [`F84.5` Asperger's syndrome ICD-10-CM](https://billingbrief.com/icd10/f84.5/)
-   [`F84.8` Other pervasive developmental disorders ICD-10-CM](https://billingbrief.com/icd10/f84.8/)
-   [`F84.9` Pervasive developmental disorder, unspecified ICD-10-CM](https://billingbrief.com/icd10/f84.9/)

## Common questions

### Is F84.3 a billable code?

Yes. F84.3 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

F84 Pervasive developmental disorders

Chapter

Mental, behavioral and neurodevelopmental disorders

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).