{"code":"F84.3","type":"code","title":"Other childhood disintegrative disorder","codeAlso":["any associated medical condition and intellectual disabilities"],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["Asperger's syndrome (F84.5)","Autistic disorder (F84.0)","Rett's syndrome (F84.2)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["F84","F84.0","F84.2","F84.5","F84.8","F84.9"],"inclusionTerms":["Dementia infantilis","Disintegrative psychosis","Heller's syndrome","Symbiotic psychosis"],"sibling_titles":{"code":"F84.9","title":"Pervasive developmental disorder, unspecified","isBillable":true},"useAdditionalCode":["code to identify any associated neurological condition."],"clinicalDefinition":"Other childhood disintegrative disorder is a billable ICD-10-CM diagnosis code (F84.3). Inclusion terms: 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.. Code also: any associated medical condition and intellectual disabilities.","officialDefinition":"Other childhood disintegrative disorder is a billable ICD-10-CM diagnosis code (F84.3). Inclusion terms: 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.. Code also: any associated medical condition and intellectual disabilities.","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}