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

MD10-MD3Y block

Symptoms or signs involving the respiratory system

12 subordinate codes

MD10Abnormal sputum
MD11Abnormalities of breathing
MD12Cough
MD20-MD2ZHaemorrhage from respiratory passages
MD30Pain in throat or chest
MD31Pleurisy
MD32Rales
MD33Respiratory arrest
MD34Symptom or complaint of the nose
MD35Symptom or complaint of the sinus
MD36Symptom or complaint of the throat
4B4YOther specified diseases of the immune system

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

MD40-MD4YClinical findings in the respiratory system
4B4YOther specified diseases of the immune system

NextMD40-MD4Y — Clinical findings in the respiratory 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
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
ME60-ME6YSymptoms, signs or clinical findings involving the skin
ME80-MF1YSymptoms, signs or clinical findings of the musculoskeletal system
MF30-MG0YSymptoms, signs or clinical findings of the genitourinary system
7 more
MD10-MD3YSymptoms or signs involving the respiratory system
MD40-MD4YClinical findings in the respiratory system
4B4YOther specified diseases of the immune system
MD10Abnormal sputum
MD11Abnormalities of breathing
MD12Cough
MD20-MD2ZHaemorrhage from respiratory passages
MD30Pain in throat or chest
MD31Pleurisy
MD32Rales
MD33Respiratory arrest
MD34Symptom or complaint of the nose
MD35Symptom or complaint of the sinus
MD36Symptom or complaint of the throat
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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