F84.3
✓ BillableOther childhood disintegrative disorder
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Also Known As
Dementia infantilisDisintegrative psychosisHeller's syndromeSymbiotic psychosis
📋 Code Instructions
- • code to identify any associated neurological condition.
❌ Excludes1
directCannot be coded with F84.3
- • Asperger's syndrome (F84.5)
- • Autistic disorder (F84.0)
- • Rett's syndrome (F84.2)
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CodeF84.3
BillableYes
ParentF84
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes13 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)