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ICD-10 diagnosis code

F70 Mild mental retardation

This page in Swedish

F70 is the ICD-10 code for Mild mental retardation. It is a three-character category. WHO defines its fourth-character subdivisions once for the whole group of categories; the national editions below list them in full. It belongs to the block F70–F79 (Mental retardation) in Chapter V, Mental and behavioural disorders.

Code type
Category (3 characters)
Chapter
V · F00–F99
Classification
WHO ICD-10, 2019 version

Definition

Approximate IQ range of 50 to 69 (in adults, mental age from 9 to under 12 years). Likely to result in some learning difficulties in school. Many adults will be able to work and maintain good social relationships and contribute to society.

What F70 includes

Conditions and terms that are coded here.

  • feeble-mindedness
  • mild mental subnormality

F70 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

F70Lindrig psykisk utvecklingsstörning

  • F70.0Lindrig psykisk utvecklingsstörning - med uppgift om ingen eller minimal beteendestörning
  • F70.1Lindrig psykisk utvecklingsstörning - betydande beteendestörning som kräver vård eller behandling
  • F70.8Lindrig psykisk utvecklingsstörning - andra beteendestörningar
  • F70.9Lindrig psykisk utvecklingsstörning - utan uppgift om beteendestörning
NorwayICD-10-NO

Listed through more specific codes:

  • F70.0Lett psykisk utviklingshemming med ingen eller minimalt atferdsproblem
  • F70.1Lett psykisk utviklingshemming med betydelig atferdsproblem
  • F70.8Lett psykisk utviklingshemming med annen angivelse av atferdsproblem
  • F70.9Lett psykisk utviklingshemming uten beskrivelse av atferdsproblem
DenmarkICD-10-DK

DF70Mental retardering af lettere grad

  • DF700Lettere mental retardering med ringe påvirkning af adfærd
  • DF701Lettere mental retardering med væsentlig påvirkning af adfærd
  • DF708Lettere mental retardering med anden påvirkning af adfærd
  • DF709Lettere mental retardering med påvirkning af adfærd UNS
FinlandICD-10-FI

F70Lievä älyllinen kehitysvammaisuus

  • F70.0Lievä älyllinen kehitysvammaisuus ei sopeutumiskäyttäytymisen häiriöitä tai vähäisiä sopeutumiskäyttäytymisen häiriöitä
  • F70.1Lievä älyllinen kehitysvammaisuus merkittävä, huomiota tai hoitoa vaativa sopeutumiskäyttäytymisen häiriö
  • F70.9Lievä älyllinen kehitysvammaisuus ei tietoa sopeutumiskäyttäytymisen häiriöstä
GermanyICD-10-GM

F70Leichte Intelligenzminderung

FranceICD-10-FR

F70Retard mental léger

NetherlandsICD-10-NL

F70lichte zwakzinnigheid [debiliteit]

United StatesICD-10-CM

F70Mild intellectual disabilities

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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