MD11.5 Dyspnoea International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01 Dyspnoea is used to describe perceptions of difficulty or distress related to breathing and is recognised as symptomatic of disease when it occurs under inappropriate circumstances. Dyspnoea is a presenting complaint of patients with a wide variety of medical diseases by multiple mechanisms.
Dyspnoea is considered acute when it lasts from hours up to 3 weeks, subacute from 3 weeks up to 8 weeks, and chronic dyspnoea lasts more than 8 weeks.
inclusions exclusions postcoordination Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
Associated with - multiple selections are allowed [select] BA00 Essential hypertension – BA00.0 Combined diastolic and systolic hypertension – BA00.1 Isolated diastolic hypertension – BA00.2 Isolated systolic hypertension – BA00.Y Other specified essential hypertension – BA00.Z Essential hypertension, unspecified BA01 Hypertensive heart disease BA02 Hypertensive renal disease BA03 Hypertensive crisis BA04 Secondary hypertension – BA04.0 Combined diastolic and systolic secondary hypertension – BA04.1 Isolated diastolic secondary hypertension – BA04.2 Isolated systolic secondary hypertension – BA04.Y Other specified secondary hypertension – BA04.Z Secondary hypertension, unspecified – BA40 Angina pectoris –– BA40.0 Unstable angina –– BA40.1 Stable angina –– BA40.Y Other specified angina pectoris –– BA40.Z Angina pectoris, unspecified – BA41 Acute myocardial infarction –– BA41.0 Acute ST elevation myocardial infarction –– BA41.1 Acute non-ST elevation myocardial infarction –– BA41.Z Acute myocardial infarction, unspecified – BA42 Subsequent myocardial infarction –– BA42.0 Subsequent myocardial infarction, ST elevation myocardial infarction –– BA42.1 Subsequent myocardial infarction, non-ST elevation myocardial infarction –– BA42.Z Subsequent myocardial infarction, unspecified – BA43 Coronary thrombosis not resulting in myocardial infarction – BA4Z Acute ischaemic heart disease, unspecified – BA50 Old myocardial infarction – BA51 Ischaemic cardiomyopathy –– BA51.0 Dilated cardiomyopathy due to congenital anomaly of coronary artery –– BA51.Y Other specified ischaemic cardiomyopathy –– BA51.Z Ischaemic cardiomyopathy, unspecified – BA52 Coronary atherosclerosis –– BA52.0 Coronary atherosclerosis of native coronary artery –– BA52.1 Coronary atherosclerosis of autologous bypass graft –– BA52.2 Coronary atherosclerosis of non-autologous bypass graft –– BA52.Z Coronary atherosclerosis, unspecified site ––– BA52.10 Coronary atherosclerosis of arterial autologous bypass graft ––– BA52.11 Coronary atherosclerosis of venous autologous bypass graft ––– BA52.1Z Coronary atherosclerosis of unspecified autologous bypass graft – BA5Y Other specified chronic ischaemic heart disease – BA5Z Chronic ischaemic heart disease, unspecified BA60 Certain current complications following acute myocardial infarction – BA60.0 Dressler syndrome – BA60.1 Other pericarditis as current complication following acute myocardial infarction – BA60.2 Ventricular aneurysm as current complication following acute myocardial infarction – BA60.3 Ventricular septal defect as current complication following acute myocardial infarction – BA60.4 Cardiac rupture as current complication following acute myocardial infarction – BA60.5 Pulmonary embolism as current complication following acute myocardial infarction – BA60.6 Rupture of papillary muscle or chordae tendineae as current complication following acute myocardial infarction – BA60.7 Mural thrombus as current complication following acute myocardial infarction – BA60.8 Arrhythmia as current complication following acute myocardial infarction – BA60.9 Cardiogenic shock, unrelated to mechanical complications, as current complication following acute myocardial infarction – BA60.Y Other specified current complications following acute myocardial infarction – BA60.Z Certain current complications following acute myocardial infarction, unspecified BA6Z Ischaemic heart diseases, unspecified BA81 Coronary artery aneurysm – BA81.0 Coronary artery aneurysm with perforation – BA81.1 Coronary artery aneurysm with rupture – BA81.2 Coronary artery aneurysm without mention of perforation or rupture BA82 Coronary artery dissection BA83 Coronary artery fistula, acquired BA84 Chronic total occlusion of coronary artery BA85 Coronary vasospastic disease – BA85.0 Silent coronary vasospastic disease – BA85.Y Other specified coronary vasospastic disease – BA85.Z Coronary vasospastic disease, unspecified BA86 Coronary microvascular disease BA8Y Other specified diseases of coronary artery BA8Z Diseases of coronary artery, unspecified BB00 Pulmonary thromboembolism – BB00.0 Acute pulmonary thromboembolism – BB00.1 Chronic pulmonary thromboembolism – BB00.Z Pulmonary thromboembolism, unspecified BB01 Pulmonary hypertension – BB01.0 Pulmonary arterial hypertension – BB01.1 Pulmonary hypertension due to left heart disease – BB01.2 Pulmonary hypertension due to lung disease or hypoxia – BB01.3 Chronic thromboembolic pulmonary hypertension – BB01.4 Pulmonary hypertension with multifactorial mechanism – BB01.5 Cor pulmonale – BB01.Z Pulmonary hypertension, unspecified BB02 Certain specified diseases of pulmonary vessels – BB02.0 Arteriovenous fistula of pulmonary vessels – BB02.1 Aneurysm of pulmonary artery – BB02.2 Rupture of pulmonary vessels – BB02.3 Acquired pulmonary arterial tree abnormality –– BB02.10 Aneurysm of pulmonary artery with perforation –– BB02.11 Aneurysm of pulmonary artery with rupture –– BB02.12 Aneurysm of pulmonary artery without mention of perforation or rupture –– BB02.1Y Other specified aneurysm of pulmonary artery –– BB02.1Z Aneurysm of pulmonary artery, unspecified BB03 Acquired pulmonary venous abnormality – BB03.0 Acquired pulmonary venous obstruction – BB03.Y Other specified acquired pulmonary venous abnormality – BB03.Z Acquired pulmonary venous abnormality, unspecified BB0Y Other specified pulmonary heart disease or diseases of pulmonary circulation BB0Z Pulmonary heart disease or diseases of pulmonary circulation, unspecified BD10 Congestive heart failure BD11 Left ventricular failure – BD11.0 Left ventricular failure with preserved ejection fraction – BD11.1 Left ventricular failure with mid range ejection fraction – BD11.2 Left ventricular failure with reduced ejection fraction – BD11.Z Left ventricular failure, unspecified BD12 High output syndromes BD13 Right ventricular failure BD14 Biventricular failure BD1Y Other specified heart failure BD1Z Heart failure, unspecified CA20 Bronchitis – CA20.0 Acute noninfectious bronchitis – CA20.1 Chronic bronchitis – CA20.Y Other specified bronchitis – CA20.Z Bronchitis, unspecified –– CA20.10 Simple chronic bronchitis –– CA20.11 Mucopurulent chronic bronchitis –– CA20.12 Mixed simple and mucopurulent chronic bronchitis –– CA20.13 Protracted bacterial bronchitis –– CA20.1Y Other specified chronic bronchitis –– CA20.1Z Chronic bronchitis, unspecified CA21 Emphysema – CA21.0 MacLeod syndrome – CA21.1 Panlobular emphysema – CA21.2 Centrilobular emphysema – CA21.Y Other specified emphysema – CA21.Z Emphysema, unspecified CA22 Chronic obstructive pulmonary disease – CA22.0 Chronic obstructive pulmonary disease with acute exacerbation, unspecified – CA22.1 Certain specified chronic obstructive pulmonary disease – CA22.Z Chronic obstructive pulmonary disease, unspecified CA23 Asthma – CA23.0 Allergic asthma – CA23.1 Non-allergic asthma – CA23.2 Other specified forms of asthma or bronchospasm – CA23.3 Unspecified asthma –– CA23.00 Allergic asthma with exacerbation –– CA23.01 Allergic asthma with status asthmaticus –– CA23.02 Allergic asthma, uncomplicated –– CA23.10 Non-allergic asthma with exacerbation –– CA23.11 Non-allergic asthma with status asthmaticus –– CA23.12 Non-allergic asthma, uncomplicated –– CA23.20 Aspirin-induced asthma –– CA23.21 Exercise-induced bronchospasm –– CA23.22 Cough variant asthma –– CA23.30 Unspecified asthma with exacerbation –– CA23.31 Unspecified asthma with status asthmaticus –– CA23.32 Unspecified asthma, uncomplicated CA24 Bronchiectasis CA25 Cystic fibrosis – CA25.0 Classical cystic fibrosis – CA25.1 Atypical cystic fibrosis – CA25.2 Subclinical cystic fibrosis – CA25.Z Cystic fibrosis, unspecified CA26 Chronic bronchiolitis – CA26.0 Chronic obliterative bronchiolitis – CA26.1 Diffuse panbronchiolitis – CA26.Y Other specified chronic bronchiolitis – CA26.Z Chronic bronchiolitis, unspecified CA27 Tracheobronchitis – CA27.0 Tracheobronchopathia osteochondroplastica – CA27.1 Tracheobronchomegaly – CA27.Y Other specified tracheobronchitis – CA27.Z Tracheobronchitis, unspecified CA2Y Other specified lower respiratory tract disease CA2Z Lower respiratory tract disease, unspecified CB00 Acute respiratory distress syndrome CB01 Pulmonary oedema CB02 Pulmonary eosinophilia – CB02.0 Asthmatic pulmonary eosinophilia – CB02.1 Idiopathic eosinophilic pneumonitis – CB02.2 Tropical pulmonary eosinophilia – CB02.Y Other specified pulmonary eosinophilia – CB02.Z Pulmonary eosinophilia, unspecified –– CB02.10 Idiopathic acute eosinophilic pneumonitis –– CB02.11 Idiopathic chronic eosinophilic pneumonitis –– CB02.1Y Other specified idiopathic eosinophilic pneumonitis –– CB02.1Z Idiopathic eosinophilic pneumonitis, unspecified CB03 Idiopathic interstitial pneumonitis – CB03.0 Acute interstitial pneumonitis – CB03.1 Combined pulmonary fibrosis and emphysema syndrome – CB03.2 Cryptogenic organizing pneumonitis – CB03.3 Desquamative interstitial pneumonitis – CB03.4 Idiopathic pulmonary fibrosis – CB03.5 Lymphoid interstitial pneumonia – CB03.6 Respiratory bronchiolitis - interstitial lung disease – CB03.Y Other specified idiopathic interstitial pneumonitis – CB03.Z Idiopathic interstitial pneumonitis, unspecified CB04 Primary interstitial lung diseases specific to infancy or childhood – CB04.0 Diffuse pulmonary developmental disorders – CB04.1 Pulmonary lymphatic dysplasia syndromes – CB04.2 Disorders of surfactant metabolism – CB04.3 Alveolar or peri-alveolar conditions – CB04.4 Pulmonary capillaritis – CB04.5 Brain-lung-thyroid syndrome – CB04.6 Chronic pneumonitis of infancy – CB04.7 Neuroendocrine cell hyperplasia of infancy – CB04.Y Other specified primary interstitial lung diseases specific to infancy or childhood – CB04.Z Primary interstitial lung diseases specific to infancy or childhood, unspecified –– CB04.30 Idiopathic pulmonary haemosiderosis –– CB04.31 Pulmonary alveolar proteinosis –– CB04.3Y Other specified alveolar or peri-alveolar conditions –– CB04.3Z Alveolar or peri-alveolar conditions, unspecified CB05 Interstitial lung diseases associated with systemic diseases – CB05.0 Diffuse alveolar damage – CB05.1 Interstitial lung diseases associated with connective tissue diseases – CB05.2 Interstitial lung diseases associated with granulomatous diseases – CB05.3 Interstitial lung diseases associated with metabolic diseases – CB05.4 Interstitial lung diseases associated with systemic vasculitides – CB05.5 Secondary pulmonary haemosiderosis – CB05.Y Other specified interstitial lung diseases associated with systemic diseases – CB05.Z Interstitial lung diseases associated with systemic diseases, unspecified –– CB05.40 Respiratory disorders in Churg-Strauss syndrome –– CB05.41 Respiratory disorders in microscopic polyangiitis –– CB05.4Y Other specified interstitial lung diseases associated with systemic vasculitides –– CB05.4Z Interstitial lung diseases associated with systemic vasculitides, unspecified CB06 Pulmonary alveolar microlithiasis CB07 Lymphangioleiomyomatosis – CB07.0 Lymphangioleiomyomatosis associated with tuberous sclerosis complex – CB07.1 Sporadic lymphangioleiomyomatosis – CB07.Y Other specified lymphangioleiomyomatosis – CB07.Z Lymphangioleiomyomatosis, unspecified CB0Y Other specified respiratory diseases principally affecting the lung interstitium CB0Z Respiratory diseases principally affecting the lung interstitium, unspecified CB41 Respiratory failure CB41.0 Acute respiratory failure CB41.1 Chronic respiratory failure CB41.2 Respiratory failure, unspecified as acute or chronic – CB41.00 Acute respiratory failure, Type I – CB41.01 Acute respiratory failure, Type II – CB41.0Z Acute respiratory failure, unspecified – CB41.10 Chronic respiratory failure, Type I – CB41.11 Chronic respiratory failure, Type II – CB41.1Z Chronic respiratory failure, unspecified – CB41.20 Respiratory failure, unspecified, Type I – CB41.21 Respiratory failure, unspecified, Type II – CB41.2Z Respiratory failure, unspecified Course - only one may be selected [select] XT5R Acute XT1L Subacute XT8W Chronic
synonyms Dyspnoea difficulty breathing respiration difficult short of breath winded dyspnoea NOS paroxysmal dyspnoea respiratory distress SOB - [shortness of breath] shortness of breath breathlessness Orthopnoea Dyspnoea crisis Dyspnoea hyperventilation Exertional dyspnoea Nocturnal dyspnoea paroxysmal nocturnal dyspnoea
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