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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM1SE1Agrochemical
XM7D46Pesticide
XM3K66Insecticide
XM41B3Organochlorine insecticide

XM2JS5 category

Heptachlor

Also indexed as

Heptachlorheptachlore

Nearby in Organochlorine insecticide

XM5Y08Aldrin
XM12L2Chlordane
XM7JD5Chlorobenzilate
XM9EL1DDT
XM3XK2Paradichlorobenzene
XM2CK5Dicofol
XM5U23Dieldrin
XM5C19Endosulfan

PreviousXM6ZU9 — Endrin NextXM5642 — Isobenzan

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
XM5LS4Acrylamide
XM1SE1Agrochemical
XM6U34Alcohol
XM9TZ4Algal toxin
XM9RM0Amyl propionate
XM0NF6Animal toxin, venom, or poison
XM7S46Carbon disulfide
XM2K01Corrosive substance
XM3HX8Cyanide
41 more
XM10X3Fertilizer
XM7D46Pesticide
XM61U9Dichloropropene
XM4G15Ethylene oxide
XM83G4Fungicide
XM6J29Herbicide
XM3K66Insecticide
XM95F1Metaldehyde
XM0NK1Methyl bromide
XM6FE7Piperonyl butoxide
XM2KK3Rodenticide
11 more
XM12C2DEET
XM4NG6Diflubenzuron
XM5S01Naphthalene
XM3AD4Nicotine insecticide
XM41B3Organochlorine insecticide
XM7154Organophosphate insecticide
XM5EB8Phenothiazine insecticide
XM4AP8Pyrethroid insecticide
XM1S21Rotenone
2 more
XM7JD5Chlorobenzilate
XM9EL1DDT
XM3XK2Paradichlorobenzene
XM2CK5Dicofol
XM5U23Dieldrin
XM5C19Endosulfan
XM6ZU9Endrin
XM2JS5Heptachlor
XM5642Isobenzan
XM4H89Kelevan
XM16G7Lindane
XM5NU4Mirex
XM32P2Pentachlorophenol
XM4FV5Strobane
XM91D0Toxaphene
2 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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