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Chapters ENES DE

XExtension Codes
Anatomy and topography
Functional anatomy
Nervous system
XA1630Peripheral nervous system
XA8EK9Cranial Nerve
XA72G0Trigeminal nerve
XA95Y8Trigeminal nerve, ophthalmic branch

XA7F46 category

Frontal nerve

2 subordinate codes

XA31J6Supraorbital nerve
XA95V8Supratrochlear nerve

Also indexed as

Frontal nerve

Nearby in Trigeminal nerve, ophthalmic branch

XA5BP8Ethmoidal nerve
XA16M4Lacrimal nerve
XA5WM9Nasociliary nerve

PreviousXA5BP8 — Ethmoidal nerve NextXA16M4 — Lacrimal 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
XA5QD6Olfactory nerve
XA1E00Optic nerve
XA7488Oculomotor nerve
XA0GK2Trochlear nerve
XA72G0Trigeminal nerve
XA4GX3Abducens nerve
XA64Y7Facial nerve
XA6LY7Vestibulocochlear nerve
XA8RW1Glossopharyngeal nerve
3 more
XA95Y8Trigeminal nerve, ophthalmic branch
XA8KJ5Trigeminal nerve, maxillary branch
XA1F17Trigeminal nerve, mandibular branch
XA5BP8Ethmoidal nerve
XA7F46Frontal nerve
XA16M4Lacrimal nerve
XA5WM9Nasociliary nerve
XA31J6Supraorbital nerve
XA95V8Supratrochlear 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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