F84.3

Other childhood disintegrative disorder

Billable / specific

F84.3 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

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

Includes (from F84)

  • disorders of psychological development

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99) (from F84)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any associated neurological condition.

Code also

An additional code may be needed.

  • any associated medical condition and intellectual disabilities (from F84)

Also known as

  • Dementia infantilis
  • Disintegrative psychosis
  • Heller's syndrome
  • Symbiotic psychosis
  • Dementia, infantile, infantilis
  • Disorder, childhood disintegrative NEC
  • Disorder, disintegrative, childhood NEC
  • Heller's disease or syndrome
  • Psychosis, psychotic, disintegrative
  • Psychosis, psychotic, symbiotic

Parent code

  • F84Pervasive developmental disordersHeader

Related codes

  • F84.0Autistic disorderBillable
  • F84.2Rett's syndromeBillable
  • F84.5Asperger's syndromeBillable
  • F84.8Other pervasive developmental disordersBillable
  • F84.9Pervasive developmental disorder, unspecifiedBillable

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