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ICD-10 diagnosis code

F73 Profound mental retardation

This page in Swedish

F73 is the ICD-10 code for Profound 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

IQ under 20 (in adults, mental age below 3 years). Results in severe limitation in self-care, continence, communication and mobility.

What F73 includes

Conditions and terms that are coded here.

  • profound mental subnormality

F73 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

F73Grav psykisk utvecklingsstörning

  • F73.0Grav psykisk utvecklingsstörning - med uppgift om ingen eller minimal beteendestörning
  • F73.1Grav psykisk utvecklingsstörning - betydande beteendestörning som kräver vård eller behandling
  • F73.8Grav psykisk utvecklingsstörning - andra beteendestörningar
  • F73.9Grav psykisk utvecklingsstörning - utan uppgift om beteendestörning
NorwayICD-10-NO

Listed through more specific codes:

  • F73.0Dyp psykisk utviklingshemming med ingen eller minimalt atferdsproblem
  • F73.1Dyp psykisk utviklingshemming med betydelig atferdsproblem
  • F73.8Dyp psykisk utviklingshemming med annet spesifisert atferdsproblem
  • F73.9Dyp psykisk utviklingshemming uten beskrivelse av atferdsproblem
DenmarkICD-10-DK

DF73Mental retardering i sværeste grad

  • DF730Mental retardering i sværeste grad med ringe påvirkning af adfærd
  • DF731Mental retardering i sværeste grad med væsentlig påvirkning af adfærd
  • DF738Mental retardering i sværeste grad med med anden påvirkning af adfærd
  • DF739Mental retardering i sværeste grad med påvirkning af adfærd UNS
FinlandICD-10-FI

F73Syvä älyllinen kehitysvammaisuus

  • F73.0Syvä älyllinen kehitysvammaisuus ei sopeutumiskäyttäytymisen häiriöitä tai vähäisiä sopeutumiskäyttäytymisen häiriöitä
  • F73.1Syvä älyllinen kehitysvammaisuus merkittävä, huomiota tai hoitoa vaativa sopeutumiskäyttäytymisen häiriö
  • F73.9Syvä älyllinen kehitysvammaisuus ei tietoa sopeutumiskäyttäytymisen häiriöstä
GermanyICD-10-GM

F73Schwerste Intelligenzminderung

FranceICD-10-FR

F73Retard mental profond

NetherlandsICD-10-NL

F73diepe zwakzinnigheid [idiotie]

United StatesICD-10-CM

F73Profound 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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