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21Symptoms, signs or clinical findings, not elsewhere classified
Symptoms, signs or clinical findings of the visual system

MC10-MC1Y block

Symptoms or signs involving the visual system

15 subordinate codes

MC10Eye appearance abnormal
MC11Eye sensation abnormal
MC12Chronic enlargement of lacrimal gland
MC13Epiphora
MC14Eye discharge
MC15Red eye
MC16Pallor conjunctiva
MC17Icteric sclera
MC18Ocular pain
MC19Quadrantanopia
MC1AVisual floaters
MC1BSymptom or complaint of the eyelid
MC1CSymptom or complaint of glasses
MC1DSymptom or complaint of contact lens
4B4YOther specified diseases of the immune system

Nearby in Symptoms, signs or clinical findings of the visual system

MC20Clinical findings of the visual system
MC21Impairment of electrophysiological functions
4B4YOther specified diseases of the immune system

NextMC20 — Clinical findings of the visual system

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
MA50-MA6YSymptoms, signs or clinical findings of endocrine, nutritional or metabolic diseases
MA80-MB0YSymptoms, signs or clinical findings of speech, language or voice
MB20-MB2YMental or behavioural symptoms, signs or clinical findings
MB40-MB9YSymptoms, signs or clinical findings of the nervous system
MC10-MC2YSymptoms, signs or clinical findings of the visual system
MC40-MC6YSymptoms, signs or clinical findings of ear or mastoid process
MC80-MC9YSymptoms, signs or clinical findings of the circulatory system
MD10-MD6YSymptoms, signs or clinical findings of the respiratory system
MD80-ME4YSymptoms, signs or clinical findings of the digestive system or abdomen
7 more
MC10-MC1YSymptoms or signs involving the visual system
MC20Clinical findings of the visual system
MC21Impairment of electrophysiological functions
4B4YOther specified diseases of the immune system
MC10Eye appearance abnormal
MC11Eye sensation abnormal
MC12Chronic enlargement of lacrimal gland
MC13Epiphora
MC14Eye discharge
MC15Red eye
MC16Pallor conjunctiva
MC17Icteric sclera
MC18Ocular pain
MC19Quadrantanopia
MC1AVisual floaters
MC1BSymptom or complaint of the eyelid
MC1CSymptom or complaint of glasses
MC1DSymptom or complaint of contact lens
4B4YOther specified diseases of the immune system

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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