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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Nervous system
XA1630Peripheral nervous system
XA06U6Peripheral nerve

XA18D0 category

Third occipital nerve

Also indexed as

Third occipital nerve

Nearby in Peripheral nerve

XA20S2Inferior cervical ganglion
XA0Z50Suboccipital nerve
XA4WK4Greater auricular nerve
XA6BB0Greater occipital nerve
XA3ND8Lesser occipital nerve
XA8T30Iliohypogastric nerve
XA5Q50Ilioinguinal nerve
XA8CZ0Inferior anal nerves

PreviousXA3ND8 — Lesser occipital nerve NextXA8T30 — Iliohypogastric 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
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Anatomy and topography
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Functional anatomy
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XA3JU6Central nervous system
XA1630Peripheral nervous system
XA7718Autonomic nervous system
Nerve
XA65L3Spinal nerve
XA6EC2Spinal nerve root
XA64F0Spinal nerve plexus
XA06U6Peripheral nerve
XA8EK9Cranial Nerve
XA20S2Inferior cervical ganglion
XA0Z50Suboccipital nerve
XA4WK4Greater auricular nerve
XA6BB0Greater occipital nerve
XA3ND8Lesser occipital nerve
XA18D0Third occipital nerve
XA8T30Iliohypogastric nerve
XA5Q50Ilioinguinal nerve
XA8CZ0Inferior anal nerves
XA8U35Lumbar splanchnic nerve
XA8ML2Middle cardiac nerve
XA0SA1Sacral splanchnic nerves
XA1SM8Semilunar ganglion
XA07F8Short ciliary nerves
XA1AC5Superior cardiac nerve
94 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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