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Chapters ENES DE

22Injury, poisoning or certain other consequences of external causes
Injuries to the head
NA04Injury of cranial nerves
NA04.1Injury of optic nerve or pathways

NA04.12 category

Injury of optic chiasm

Also indexed as

Injury of optic chiasmchiasmal optic injury

Nearby in Injury of optic nerve or pathways

NA04.10Injury of optic nerve, unilateral
NA04.11Injury of optic nerve, bilateral
NA04.13Injury of optic tract or pathways, unilateral
NA04.14Injury of optic tract or pathways, bilateral
NA04.15Injury of visual cortex, unilateral
NA04.16Injury of visual cortex, bilateral
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

PreviousNA04.11 — Injury of optic nerve, bilateral NextNA04.13 — Injury of optic tract or pathways, unilateral

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
NA00-NA0ZInjuries to the head
NA20-NA6ZInjuries to the neck
NA80-NB3ZInjuries to the thorax
NB50-NB9ZInjuries to the abdomen, lower back, lumbar spine or pelvis
NC10-NC1ZInjuries to the shoulder or upper arm
NC30-NC3ZInjuries to the elbow or forearm
NC50-NC5ZInjuries to the wrist or hand
NC70-NC7ZInjuries to the hip or thigh
NC90-NC9ZInjuries to the knee or lower leg
11 more
NA00Superficial injury of head
NA01Open wound of head
NA02Fracture of skull or facial bones
NA03Dislocation or strain or sprain of joints or ligaments of head
NA04Injury of cranial nerves
NA05Injury of blood vessels of head
NA06Injury of eye or orbit
NA07Intracranial injury
NA08Crushing injury of head
6 more
NA04.0Injury of olfactory nerve
NA04.1Injury of optic nerve or pathways
NA04.2Injury of oculomotor nerve
NA04.3Injury of trochlear nerve
NA04.4Injury of trigeminal nerve
NA04.5Injury of abducent nerve
NA04.6Injury of facial nerve
NA04.7Injury of acoustic nerve
NA04.8Injury of glossopharyngeal nerve
4 more
NA04.10Injury of optic nerve, unilateral
NA04.11Injury of optic nerve, bilateral
NA04.12Injury of optic chiasm
NA04.13Injury of optic tract or pathways, unilateral
NA04.14Injury of optic tract or pathways, bilateral
NA04.15Injury of visual cortex, unilateral
NA04.16Injury of visual cortex, bilateral
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

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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