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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Nervous system
XA1630Peripheral nervous system
XA65L3Spinal nerve
XA6KS1Thoracic spinal nerve

XA1K85 category

Second thoracic spinal nerve

Also indexed as

Second thoracic spinal nerve

Nearby in Thoracic spinal nerve

XA2QF3First thoracic spinal nerve
XA0DY5Third thoracic spinal nerve
XA7BM1Fourth thoracic spinal nerve
XA48M5Fifth thoracic spinal nerve
XA4GT3Sixth thoracic spinal nerve
XA0RA9Seventh thoracic spinal nerve
XA2VJ9Eighth thoracic spinal nerve
XA64N5Ninth thoracic spinal nerve

PreviousXA2QF3 — First thoracic spinal nerve NextXA0DY5 — Third thoracic spinal nerve

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
Haematopoietic system
Immune system
Endocrine system
Nervous system
Visual system
Auditory system
Circulatory system
Respiratory system
Digestive system
3 more
XA3JU6Central nervous system
XA1630Peripheral nervous system
XA7718Autonomic nervous system
Nerve
XA65L3Spinal nerve
XA6EC2Spinal nerve root
XA64F0Spinal nerve plexus
XA06U6Peripheral nerve
XA8EK9Cranial Nerve
XA1YC9Cervical spinal nerve
XA6KS1Thoracic spinal nerve
XA44R0Lumbar spinal nerve
XA17Y2Sacral spinal nerve
XA4CU7Dorsal spinal nerve
XA7TS7Ventral spinal nerve
XA2QF3First thoracic spinal nerve
XA1K85Second thoracic spinal nerve
XA0DY5Third thoracic spinal nerve
XA7BM1Fourth thoracic spinal nerve
XA48M5Fifth thoracic spinal nerve
XA4GT3Sixth thoracic spinal nerve
XA0RA9Seventh thoracic spinal nerve
XA2VJ9Eighth thoracic spinal nerve
XA64N5Ninth thoracic spinal nerve
XA5AZ7Tenth thoracic spinal nerve
XA6369Eleventh thoracic spinal nerve
XA7QX3Twelfth thoracic spinal nerve

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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