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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM3L75Sedative hypnotic drugs or other central nervous system depressants
Sedative-hypnotic and anxiolytic drugs
Other sedatives, hypnotics and antianxiety drugs

XM41Z4 category

Periclor

Also indexed as

Periclor

Nearby in Other sedatives, hypnotics and antianxiety drugs

XM4JD8Acetylpheneturide
XM0Y74Allylisopropylacetylurea
XM2MT0Allyltribromide
XM0FX2Ammonium bromide
XM2P06Anticonvulsant hypnotic
XM4LR0Anticonvulsant pyrimidinedione
XM80V1Anticonvulsant specified
XM2851Apronal

PreviousXM67F2 — Noludar NextXM7865 — Petrichloral

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
Anaesthetics and therapeutic gases
Sedative-hypnotic and anxiolytic drugs
XM2XY64-Aminobutyric acid
XM6R00Piperidinedione derivatives
XM4YG0Barbiturates and derivatives
XM4843Z-drugs
XM0GA0Melatonin receptor agonists
Bromine compounds
Other sedatives, hypnotics and antianxiety drugs
XM1VL2Hexethal (sodium)
XM7MG1Mephebarbital
XM0217Methitural
4 more
XM1SJ9Levanil
XM9S20Levoprome
XM3C52Methaqualone
XM8UW8Methyl sulfonal
XM79Y3Methylpentynol
XM9L86Niaprazine
XM67F2Noludar
XM41Z4Periclor
XM7865Petrichloral
XM8U36Phenergan
XM3YQ0Potassium bromide
XM23J2Propionaldehyde (medicinal)
XM5KU5Quaalude
XM5YQ4Sedative mixed
XM53R6Sedormid
73 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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