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Chapters ENES DE

22Injury, poisoning or certain other consequences of external causes
Other or unspecified effects of external causes
NF01Effects of heat

NF01.3 category

Heat fatigue, transient

Also indexed as

Heat fatigue, transientheat fatigue NOStransient effects of heat fatigue

Nearby in Effects of heat

NF01.0Heat stroke
NF01.1Heat syncope
NF01.2Heat exhaustion due to fluid depletion
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

PreviousNF01.2 — Heat exhaustion due to fluid depletion Next4B4Y — Other specified diseases of the immune system

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
ND50-ND57Injuries to unspecified part of trunk, limb or body region
ND70-ND7ZEffects of foreign body entering through natural orifice
ND90-NE2ZBurns
NE40-NE4ZFrostbite
NE60-NE6ZHarmful effects of substances
NE80-NE8ZInjury or harm arising from surgical or medical care, not elsewhere classified
NF00-NF0ZOther or unspecified effects of external causes
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
11 more
NF00Effects of radiation, not elsewhere classified
NF01Effects of heat
NF02Hypothermia
NF03Other effects of reduced temperature
NF04Effects of air pressure or water pressure
NF05Asphyxiation
NF06Effects of strenuous physical exercise
NF07Effects of other deprivation
NF08Effects of certain specified external causes
4 more
NF01.0Heat stroke
NF01.1Heat syncope
NF01.2Heat exhaustion due to fluid depletion
NF01.3Heat fatigue, transient
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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