F84.3

Billable
ChapterF01–F99
Ranksubcategory
Official Description

Other childhood disintegrative disorder

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

Instructional Notes

Includes
  • Dementia infantilis
  • Disintegrative psychosis
  • Heller's syndrome
  • Symbiotic psychosis
Excludes1(Not coded here)
  • Asperger's syndrome (F84.5)
  • Autistic disorder (F84.0)
  • Rett's syndrome (F84.2)
Use Additional Code
  • code to identify any associated neurological condition.
General instructions are available for the parent sections:
View CH5 NotesView F84 Notes

Clinical Hierarchy

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
F80-F89Pervasive and specific developmental disorders (F80-F89)
F84Pervasive developmental disorders
F84.3Other childhood disintegrative disorder

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F84.3:

categoryF84
Pervasive developmental disorders
View context instructions
chapterCH5
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to F84.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths
Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety)1 unique routes
infantile, infantilis→F84.3
Disorder (of)2 unique routes
childhood disintegrative NEC→F84.3
disintegrative, childhood NEC→F84.3
Heller's disease or syndrome1 unique routes
Direct index entry→F84.3
Psychosis, psychotic2 unique routes
disintegrative (childhood)→F84.3
symbiotic (childhood)→F84.3

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 884
Organic Disturbances and Intellectual Disability

Cross Reference

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