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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM0YW5Topical agents primarily affecting skin and mucous membrane and ophthalmological, otorhinolaryngological or dental drugs
Other local antifungal, anti-infective and anti-inflammatory drugs

XM5GQ1 category

Undecoylium

Also indexed as

Undecoylium

Nearby in Other local antifungal, anti-infective and anti-inflammatory drugs

XM53X2Tetracycline topical
XM2FL0Acriflavinium chloride
XM8K50Acrinol
XM5PD0Acrisorcin
XM7696Adrenal topical
XM9B70Aerosporin topical
XM2ET5Alclometasone
XM3NX2Alkonium (bromide)

PreviousXM84C7 — Undecenoic acid NextXM1TP6 — Undecylenic acid (derivatives)

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
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
Substances
Diagnosis code descriptors
Capacity or context
Health Devices, Equipment and Supplies
Extension codes of particular relevance to skin diseases
5 more
XM6S30Medicaments
XM9N55Substances, chiefly nonmedicinal
Allergens
XM7452Antiepileptics or antiparkinsonism drugs
XM0HK5Antipsychotics [neuroleptics]
XM4G94Antidepressants
XM98Y0Cannabinoids or hallucinogens
XM9NV2Opioids
XM0RE9Psychostimulants
XM3L75Sedative hypnotic drugs or other central nervous system depressants
XM16M6Other or unspecified drugs, medicaments and biological substances
XM0YW5Topical agents primarily affecting skin and mucous membrane and ophthalmological, otorhinolaryngological or dental drugs
14 more
Iodine (antiseptic)
Keratolytics, keratoplastics, and other hair treatment drugs and preparations
Ophthalmological drugs and preparations
Other dental drugs, topically applied
Other local antifungal, anti-infective and anti-inflammatory drugs
Other local astringents and local detergents
Other topical agents
Otorhinolaryngological drugs and preparations
XM5HX7Podophyllin
12 more
XM4873Triamcinolone hexacetonide
XM5KU0Triclobisonium chloride
XM6Y48Bacitracin zinc with neomycin
XM74T6Triclocarban
XM5WW5Triclosan
XM93J3Tridesilon
XM84C7Undecenoic acid
XM5GQ1Undecoylium
XM1TP6Undecylenic acid (derivatives)
XM81Z1Urea peroxide
XM2VU7Valisone
XM0GR5Vioform topical
XM2B18Zinc anti-infectives
XM7E88Basic fuchsin
XM6KL1Zinc peroxide
284 more

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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