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Chapters ENES DE

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

NF04 category

Effects of air pressure or water pressure

6 subordinate codes

NF04.0Otitic barotrauma
NF04.1Sinus barotrauma
NF04.2Caisson disease
NF04.3Effects of high-pressure fluids
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

Nearby in Other or unspecified effects of external causes

NF00Effects of radiation, not elsewhere classified
NF01Effects of heat
NF02Hypothermia
NF03Other effects of reduced temperature
NF05Asphyxiation
NF06Effects of strenuous physical exercise
NF07Effects of other deprivation
NF08Effects of certain specified external causes

PreviousNF03 — Other effects of reduced temperature NextNF05 — Asphyxiation

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
NF09Adverse effects, not elsewhere classified
NF0ACertain early complications of trauma, not elsewhere classified
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified
NF04.0Otitic barotrauma
NF04.1Sinus barotrauma
NF04.2Caisson disease
NF04.3Effects of high-pressure fluids
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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