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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM26S4Hormones and their synthetic substitutes or antagonists, not elsewhere classified
Insulin and antidiabetic drugs
XM5DC4Biguanides

XM4K79 category

Phenformin

Also indexed as

DBIPhenforminPhenylethylbiguanide

Nearby in Biguanides

XM0JN5Metformin
XM6EJ2Buformin
XM0S91Proguanil
XM0EG5Cycloguanil embonate

NextXM0JN5 — Metformin

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
XM3MU3Agents primarily affecting the gastrointestinal system
XM6WT8Agents primarily affecting blood constituents or immune system
XM3KY1Agents affecting genitourinary system, sex or anabolic hormones
XM26S4Hormones and their synthetic substitutes or antagonists, not elsewhere classified
XM9W63Agents affecting bones, joints or other connective tissue, not elsewhere classified
XM4TG8Agents primarily affecting water and nutrition-balance or metabolism
XM3973Agents primarily affecting the cardiovascular system
XM6CH2Drugs primarily affecting the autonomic nervous system
XM7YD4Drugs used in addictive disorders
14 more
Antigonadotrophins, antiestrogens, antiandrogens, not elsewhere classified
Thyroid hormones and substitutes
Antithyroid drugs
Iodine therapy
XM9N95Glucagon
Parathyroid hormones and analogues
Antiparathyroid agents
Insulin and antidiabetic drugs
XM5374Cholecystokinin
6 more
XM21C9Insulin human
XM8S35Antidiabetic
XM9AX5Antidiabetic biguanide and sulfonyl combined
XM5DC4Biguanides
XM5SK7Antidiabetic combined
XM11C9Sulfonylureas
XM6932Biguanide derivatives, oral
XM06A4Glimidine
XM2584Glisolamide
40 more
XM4K79Phenformin
XM0JN5Metformin
XM6EJ2Buformin
XM0S91Proguanil
XM0EG5Cycloguanil embonate

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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