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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM1950Agents primarily acting on smooth and skeletal muscles or the respiratory system
Muscle relaxants
XM9YY8Muscle relaxants, centrally acting

XM1BK1 category

Tizanidine

Also indexed as

Tizanidine

Nearby in Muscle relaxants, centrally acting

XM5AB5Carbamic acid esters
XM09D8Oxazol, thiazine, and triazine derivatives
XM09Y8Suxamethonium
XM5CB4Pancuronium
XM9416Gallamine
XM7S28Vecuronium
XM6X03Orphenadrine citrate
XM5US2Baclofen

PreviousXM5US2 — Baclofen NextXM26R3 — Pridinol

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
XM3973Agents primarily affecting the cardiovascular system
XM6CH2Drugs primarily affecting the autonomic nervous system
XM7YD4Drugs used in addictive disorders
XM8014Antivertigo and motion sickness preparations
XM1950Agents primarily acting on smooth and skeletal muscles or the respiratory system
XM5MU9Systemic antibiotics, anti-infectives or antiparasitics
XM0QJ8Neuroprotective agents, not elsewhere classified
XM7BA9Analgesics, antipyretics or anti-inflammatory drugs
XM7452Antiepileptics or antiparkinsonism drugs
14 more
Oxytocic drugs
Muscle relaxants
Other drugs acting on muscles
XM9P78Drugs for obstructive airway diseases
Expectorants and mucolytics
Antitussives
XM4J58Antihistamines
Respiratory stimulants
XM04S2Other respiratory system products
XM8SY4Muscle relaxants, peripherally acting
XM9YY8Muscle relaxants, centrally acting
XM3V06Aclatonium napadisilate
XM9RW1Anesthesia muscle relaxation
XM5GC4Atracurium besilate
XM8PU1Carbolonium (bromide)
XM7DG2Decamethonium bromide
XM6XS1Dimethyltubocurarinium chloride
XM8A87Flaxedil
13 more
XM09D8Oxazol, thiazine, and triazine derivatives
XM09Y8Suxamethonium
XM5CB4Pancuronium
XM9416Gallamine
XM7S28Vecuronium
XM6X03Orphenadrine citrate
XM5US2Baclofen
XM1BK1Tizanidine
XM26R3Pridinol
XM4MA5Tolperisone
XM1HD7Mephenesin
XM2RH8Tetrazepam
XM7LP5Cyclobenzaprine
XM52Y2Thiocolchicoside
XM9UU4Eperisone
3 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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