ICD-10-CM 2027
ICD-10 code for Heller's disease or syndrome
Other childhood disintegrative disorder
From the official ICD-10-CM alphabetic index entry “Heller's disease or syndrome”. Page updated September 29, 2026.
About coding Heller's disease or syndrome
The ICD-10-CM code for Heller's disease or syndrome is F84.3 (Other childhood disintegrative disorder).
Within F84, choose F84.3 (Other childhood disintegrative disorder) only when documentation doesn't support a more specific option: Autistic disorder (F84.0), Rett's syndrome (F84.2), Asperger's syndrome (F84.5), other pervasive developmental disorders (F84.8) and pervasive developmental disorder, unspecified (F84.9).
Don't report F84.3 together with the conditions in its Excludes1 note: Asperger's syndrome (F84.5), Autistic disorder (F84.0) and Rett's syndrome (F84.2).
Use an additional code to identify any associated neurological condition.
Don't confuse with (Excludes1 for F84.3)
Common questions about Heller's disease or syndrome ICD-10 codes
What is the ICD-10 code for Heller's disease or syndrome?
- F84.3 — Other childhood disintegrative disorder.
Is F84.3 billable?
- Yes. F84.3 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can F84.3 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict F84.3 as a principal diagnosis.
Is F84.3 a CC or MCC?
- F84.3 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.