F84.3

Other childhood disintegrative disorder

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC133

Anxiety and Other Psychiatric Disorders

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · F84.3
Excludes 1

Asperger's syndrome (F84.5) Autistic disorder (F84.0) Rett's syndrome (F84.2)

Use additional

code to identify any associated neurological condition.

Synonyms

Dementia infantilis Disintegrative psychosis Heller's syndrome Symbiotic psychosis

Inherited from F84Pervasive developmental disorders
Code also

any associated medical condition and intellectual disabilities

Inherited from chapter 5Mental, Behavioral and Neurodevelopmental disorders
Includes

disorders of psychological development

Excludes 2

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

Official Guidelines for F84.3

FY 2026 ›
I.C.5Chapter-specific guidanceChapter 5: Mental, Behavioral and Neurodevelopmental disorders

Subsections

Find F84.3 in the alphabetic index

6 index paths lead to this code