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ICD-10 diagnosis code

F05 Delirium, not induced by alcohol and other psychoactive substances

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F05 is the ICD-10 code for Delirium, not induced by alcohol and other psychoactive substances. It is a three-character category divided into 4 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block F00–F09 (Organic, including symptomatic, mental disorders) in Chapter V, Mental and behavioural disorders.

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

Definition

An etiologically nonspecific organic cerebral syndrome characterized by concurrent disturbances of consciousness and attention, perception, thinking, memory, psychomotor behaviour, emotion, and the sleep-wake schedule. The duration is variable and the degree of severity ranges from mild to very severe.

What F05 includes

Conditions and terms that are coded here.

  • acute or subacute:
    • brain syndrome
    • confusional state (nonalcoholic)
    • infective psychosis
    • organic reaction
    • psycho-organic syndrome

What F05 excludes

Conditions that look similar but belong under another code.

  • delirium tremens, alcohol-induced or unspecified F10.4

Subcodes of F05

F05 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

F05Delirium ej framkallat av alkohol eller andra psykoaktiva substanser

DenmarkICD-10-DK

DF05Delir, ikke fremkaldt af alkohol eller psykoaktive stoffer

FinlandICD-10-FI

F05Sekavuustila (delirium) ilman alkoholia tai muita psyykeen vaikuttavia aineita

GermanyICD-10-GM

F05Delir, nicht durch Alkohol oder andere psychotrope Substanzen bedingt

FranceICD-10-FR

F05Delirium, non induit par l'alcool et d'autres substances psycho-actives

NetherlandsICD-10-NL

F05delirium, niet geïnduceerd door alcohol en andere psychoactieve

United StatesICD-10-CM

F05Delirium due to known physiological condition

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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