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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM0HK5Antipsychotics [neuroleptics]
Phenothiazine antipsychotics and neuroleptics
XM9HH5Phenothiazines with piperidine structure

XM5664 category

Periciazine

Also indexed as

Periciazine

Nearby in Phenothiazines with piperidine structure

XM4DG6Thioridazine
XM6447Mesoridazine
XM0168Pipotiazine

NextXM4DG6 — Thioridazine

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
XM5MU9Systemic antibiotics, anti-infectives or antiparasitics
XM0QJ8Neuroprotective agents, not elsewhere classified
XM7BA9Analgesics, antipyretics or anti-inflammatory drugs
XM7452Antiepileptics or antiparkinsonism drugs
XM0HK5Antipsychotics [neuroleptics]
XM4G94Antidepressants
XM98Y0Cannabinoids or hallucinogens
XM9NV2Opioids
XM0RE9Psychostimulants
14 more
Phenothiazine antipsychotics and neuroleptics
Butyrophenone derivatives
XM1QY7Indole derivatives
XM8X87Thioxanthene derivatives
XM2NF9Diphenylbutylpiperidine derivatives
XM12F2Diazepines, oxazepines, thiazepines and oxepines
XM1W79Benzamides
Lithium
Other antipsychotics and neuroleptics
XM0EE9Tranquilizer dimethylamine
XM9B27Tranquilizer ethylamine
XM1QV8Tranquilizer phenothiazine
XM7057Tranquilizer piperazine
XM5KD3Tranquilizer piperidine
XM3Z20Tranquilizer propylamine
XM4SG0Phenothiazines with aliphatic side-chain
XM1YC7Phenothiazines with piperazine structure
XM9HH5Phenothiazines with piperidine structure
18 more
XM5664Periciazine
XM4DG6Thioridazine
XM6447Mesoridazine
XM0168Pipotiazine

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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