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XExtension Codes
Substances
XM6S30Medicaments
XM5MU9Systemic antibiotics, anti-infectives or antiparasitics
Systemic antibiotics and antibacterials
Penicillins
XM3173Penicillins with extended spectrum

XM1Z93 category

Mezlocillin

Also indexed as

MezlocillinSodium nafcillin

Nearby in Penicillins with extended spectrum

XM5MY7Ampicillin
XM7CR7Pivampicillin
XM3D58Carbenicillin
XM7CM1Amoxicillin
XM7J83Carindacillin
XM31J4Epicillin
XM9LR3Pivmecillinam
XM8820Azlocillin

PreviousXM8820 — Azlocillin NextXM5562 — Mecillinam

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
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
XM0HK5Antipsychotics [neuroleptics]
14 more
Systemic antibiotics and antibacterials
Antimycobacterials
Antifungal agents
Antiviral drugs
Antivenin, antivenom (sera), Immunoglobulin
Vaccines
Other specified systemic anti-infectives and antiparasitics
Antiprotozoal drugs
Anthelminthics
XM0MG9Amphenicols
Penicillins
XM9XT2Beta-lactamase inhibitors
Cephalosporins and other beta-lactam antibiotics
XM8SY8Sulfonamides and trimethoprim derivatives
Macrolides
XM7E36Lincosamides
XM69N7Streptogramins
Aminoglycosides
7 more
XM00H2Methoxybenzyl penicillin
XM9XB6Penethamate
XM7Q57Penicillin (any)
XM71L1Phenbenicillin
XM3UP8Xantocillin
XM3173Penicillins with extended spectrum
XM9FQ5Beta-lactamase sensitive penicillins
XM9QY0Beta-lactamase resistant penicillins
XM6QQ6Combinations of penicillins
12 more
XM7CR7Pivampicillin
XM3D58Carbenicillin
XM7CM1Amoxicillin
XM7J83Carindacillin
XM31J4Epicillin
XM9LR3Pivmecillinam
XM8820Azlocillin
XM1Z93Mezlocillin
XM5562Mecillinam
XM3MP9Piperacillin
XM4D90Ticarcillin
XM1HX8Metampicillin
XM3Z13Talampicillin
XM3S35Sulbenicillin
XM1QC3Temocillin
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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