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Chapters ENES DE

XExtension Codes
Anatomy and topography
Surface topography
XA6AS2Extremities
XA4BA8Upper extremity
XA5R12Hand
XA2593Fingers and thumb
XA8DJ6Thumb

XA0RL8 category

Perionychium of thumb

4 subordinate codes

XA13E9Proximal nailfold of thumb
XA20L7Eponychium of thumb
XA4GD7Lateral nailfold of thumb
XA63L0Hyponychium of thumb

Also indexed as

Paronychium of thumbPerionychium of thumb

Nearby in Thumb

XA5PD5Thumbnail
XA5ZV0Pad of thumb
XA76N2Dorsum of thumb

NextXA5PD5 — Thumbnail

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
XA4BA8Upper extremity
XA45A6Lower extremity
XA2ND5Shoulder
XA17J1Axilla
XA6809Upper arm
XA9FF8Elbow
XA7WB0Forearm
XA2J63Wrist
XA5R12Hand
XA66R9Skin of elbow
XA30Z6Dorsum of hand
XA65Z3Interdigital web space of hand
XA3NY8Palm of hand
XA2593Fingers and thumb
XA0EH9Fingernails
XA8DJ6Thumb
XA6NZ0Index finger
XA0Y38Middle finger
XA06X8Ring finger
XA5EN3Little finger
XA4HZ3Side of finger
XA7GT9Tips of fingers
XA0RL8Perionychium of thumb
XA5PD5Thumbnail
XA5ZV0Pad of thumb
XA76N2Dorsum of thumb
XA13E9Proximal nailfold of thumb
XA20L7Eponychium of thumb
XA4GD7Lateral nailfold of thumb
XA63L0Hyponychium of thumb

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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