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ICD-10 diagnosis code

F84.4 Overactive disorder associated with mental retardation and stereotyped movements

This page in Swedish

F84.4 is the ICD-10 code for Overactive disorder associated with mental retardation and stereotyped movements. It is a four-character subcategory of F84 (Pervasive developmental disorders), the most specific level in the WHO edition. It belongs to the block F80–F89 (Disorders of psychological development) in Chapter V, Mental and behavioural disorders.

Code type
Subcategory (4 characters)
Chapter
V · F00–F99
Classification
WHO ICD-10, 2019 version

Definition

An ill-defined disorder of uncertain nosological validity. The category is designed to include a group of children with severe mental retardation (IQ below 35) who show major problems in hyperactivity and in attention, as well as stereotyped behaviours. They tend not to benefit from stimulant drugs (unlike those with an IQ in the normal range) and may exhibit a severe dysphoric reaction (sometimes with psychomotor retardation) when given stimulants. In adolescence, the overactivity tends to be replaced by underactivity (a pattern that is not usual in hyperkinetic children with normal intelligence). This syndrome is also often associated with a variety of developmental delays, either specific or global. The extent to which the behavioural pattern is a function of low IQ or of organic brain damage is not known.

F84.4 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

F84.4Överaktivitetssyndrom förenat med psykisk utvecklingsstörning och stereotypa rörelser

NorwayICD-10-NO

F84.4Forstyrrelse med overaktivitet forbundet med psykisk utviklingshemming eller bevegelsesstereotypi

DenmarkICD-10-DK

DF844Hyperaktivitetsforstyrrelse med mental retardering og bevægelsesstereotypier

FinlandICD-10-FI

F84.4Älylliseen kehitysvammaisuuteen ja kaavamaisiin liikkeisiin liittyvä hyperaktiivisuushäiriö

GermanyICD-10-GM

F84.4Überaktive Störung mit Intelligenzminderung und Bewegungsstereotypien

FranceICD-10-FR

F84.4Hyperactivité associée à un retard mental et à des mouvements stéréotypés

NetherlandsICD-10-NL

F84.4hyperactieve stoornis samengaand met zwakzinnigheid en stereotypieën

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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