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F84.3

Other childhood disintegrative disorder

Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 4 never code together
F84.3code
Excludes1
F01-F99chapter
Excludes2
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

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

Instructional notes 7
F84.3code
Inclusion terms
  • Dementia infantilis
  • Disintegrative psychosis
  • Heller's syndrome
  • Symbiotic psychosis
Use additional code
  • code to identify any associated neurological condition.
F84code
Code also
  • any associated medical condition and intellectual disabilities
F01-F99chapter
Includes
  • disorders of psychological development
Index entries leading here 4
  • Disorder (of) — see also Disease
    • childhood disintegrative NEC F84.3
    • disintegrative, childhood NEC F84.3
  • Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
    • infantile, infantilis F84.3
  • Psychosis, psychotic F29
    • disintegrative (childhood) F84.3
    • symbiotic (childhood) F84.3
  • Heller's disease or syndrome F84.3
Alongside this code 5 same parent — F84
F84.0 Autistic disorder F84.2 Rett's syndrome F84.5 Asperger's syndrome F84.8 Other pervasive developmental disorders F84.9 Pervasive developmental disorder, unspecified
Additional references
AHA Coding Clinic® Licence required

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

Risk adjustment

RX08HCC133

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
F84
Block
F80-F89
Siblings
5

Present FY2024–FY2027.