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Chapters ENES DE

XExtension Codes
Anatomy and topography
Surface topography
XA3FR3Trunk
XA8HA7Anogenital region

XA4B34 category

Perianal region

2 subordinate codes

XA53N9Perineum
XA2F27Intergluteal cleft

Also indexed as

Perianal region

Nearby in Anogenital region

XA5FG3Genital region
XA9PX3Perigenital region

PreviousXA9PX3 — Perigenital region

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
Severity Scale Value
Temporality
Aetiology
Topology Scale Value
Anatomy and topography
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
5 more
Functional anatomy
Surface topography
Partonomic view
XA1RS6Head and neck
XA3FR3Trunk
XA6AS2Extremities
XA4QH7Upper trunk
XA6CY1Lower trunk
XA2P90Back
XA8HA7Anogenital region
XA5FG3Genital region
XA9PX3Perigenital region
XA4B34Perianal region
XA53N9Perineum
XA2F27Intergluteal cleft

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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