I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia) IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma IV.d IV - Airway involvement
IV.d - Cough (lone) IV.f IV - Airway involvement
IV.f - Severe or catastrophic bronchospasm or asthma attack (can be fatal) IV.g IV - Airway involvement
IV.g - Cough syncope V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.b V - Pleural and/or pericardial involvement
V.b - Eosinophilic pleural effusion V.d V - Pleural and/or pericardial involvement
V.d - Pleural/pericardial effusion, ANA positive (DI lupus) VIII.a VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.a - Angioedema (may cause UAO, asphyxia and death) VIII.q VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.q - Tongue involvement (edema, glossitis, hematoma) VIII.y VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.y - Sinonasal discharge, -blockage, -obstruction VIII.am VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.am - Hemilingual (angio)edema IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.q IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.q - Obstructive sleep apnea X.d X - Systemic/Distant conditions, syndromes and reactions
X.d - Lupus - Lupus syndrome (see also Vd) X.au X - Systemic/Distant conditions, syndromes and reactions
X.au - Visceral angioedema XIII.a XIII - Neoplastic conditions
XIII.a - Lung cancer XVI.bu XVI - Imaging
XVI.bu - Imaging: Upper/central airway narrowing XVIII.f XVIII - Distinctive patterns - 'Eye-catchers'
XVIII.f - Eye-catcher: Tongue edema

I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia) I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging) II.a II - Pulmonary edema - Acute lung injury - ARDS
II.a - Pulmonary edema, noncardiogenic (NCPE) II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury V.b V - Pleural and/or pericardial involvement
V.b - Eosinophilic pleural effusion V.f V - Pleural and/or pericardial involvement
V.f - Pneumothorax VI.a VI - Pulmonary vasculopathies
VI.a - Pulmonary embolism - Venous thrombosis/thromboembolism VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension VI.y VI - Pulmonary vasculopathies
VI.y - Pulmonary hypertension of the newborn (Persistent PHT) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration XII.d XII - Cardiovascular involvement / toxicity
XII.d - Myocarditis (can be fulminant)

VIII.e VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.e - Laryngospasm (a.k.a. laryngismus) VIII.h VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.h - Vocal cord dysfunction, adduction, closure, injury IX.d IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.d - Respiratory failure from ventilatory depression (due to neuromuscular blockade/paralysis) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.f IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.f - Hiccup IX.p IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.p - Disordered breathing during sleep - Sleep apnea IX.u IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.u - Central sleep apnea XII.f XII - Cardiovascular involvement / toxicity
XII.f - Cardiomyopathy (acute, subacute, chronic) XII.m XII - Cardiovascular involvement / toxicity
XII.m - Cardiac- cardiorespiratory/pulmonary arrest

I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia) IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma IV.f IV - Airway involvement
IV.f - Severe or catastrophic bronchospasm or asthma attack (can be fatal) VII.a VII - Mediastinal involvement
VII.a - Lymphadenopathy (intrathoracic) VIII.a VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.a - Angioedema (may cause UAO, asphyxia and death) VIII.v VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.v - Retropharyngeal hematoma (may cause UAO) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration

IX.b IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.b - Respiratory dyskinesia IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.f IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.f - Hiccup IX.g IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.g - Hyperpnea - Hyperventilation - Low PaCO2 IX.h IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.h - Dyspnea, unexplained otherwise IX.l IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.l - Tachypnea X.d X - Systemic/Distant conditions, syndromes and reactions
X.d - Lupus - Lupus syndrome (see also Vd)

I.t I - Interstitial/parenchymal lung disease
I.t - Pneumoconiosis (silicosis, talcosis...) II.a II - Pulmonary edema - Acute lung injury - ARDS
II.a - Pulmonary edema, noncardiogenic (NCPE) II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury II.f II - Pulmonary edema - Acute lung injury - ARDS
II.f - Hypoxemia, low oxygen saturation (may occur in isolation) VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension VI.g VI - Pulmonary vasculopathies
VI.g - Foreign body pulmonary vasculopathy (Excipient lung disease) IX.c IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.c - Chest wall muscle rigidity - Stiff/wooden chest IX.d IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.d - Respiratory failure from ventilatory depression (due to neuromuscular blockade/paralysis) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.i IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.i - Respiratory arrest - Apnea XI.r XI - Miscellaneous
XI.r - Death following exposure or poisoning XII.e XII - Cardiovascular involvement / toxicity
XII.e - Takotsubo (stress) cardiomyopathy XII.f XII - Cardiovascular involvement / toxicity
XII.f - Cardiomyopathy (acute, subacute, chronic) XII.l XII - Cardiovascular involvement / toxicity
XII.l - Cardiac arrhythmias or dysrhythmias (AF, VT, VF, TdP) XII.p XII - Cardiovascular involvement / toxicity
XII.p - QTc prolongation XII.t XII - Cardiovascular involvement / toxicity
XII.t - Torsades de pointe XII.bo XII - Cardiovascular involvement / toxicity
XII.bo - Right ventricular dysfunction.failure

II.a II - Pulmonary edema - Acute lung injury - ARDS
II.a - Pulmonary edema, noncardiogenic (NCPE) II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury II.d II - Pulmonary edema - Acute lung injury - ARDS
II.d - Pulmonary edema, cardiogenic III.a III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.a - Alveolar hemorrhage (AH), diffuse AH (DAH) III.k III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.k - Epistaxis IV.d IV - Airway involvement
IV.d - Cough (lone) IV.e IV - Airway involvement
IV.e - Cough (acute, violent, explosive) IV.aa IV - Airway involvement
IV.aa - Occupational asthma IV.ab IV - Airway involvement
IV.ab - Exacerbation or deterioration of preexisting COPD VIII.c VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.c - Upper airway obstruction other than angioedema or hematoma VIII.i VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.i - Midline destructive lesions IX.c IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.c - Chest wall muscle rigidity - Stiff/wooden chest IX.d IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.d - Respiratory failure from ventilatory depression (due to neuromuscular blockade/paralysis) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.f IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.f - Hiccup IX.i IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.i - Respiratory arrest - Apnea IX.p IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.p - Disordered breathing during sleep - Sleep apnea IX.t IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.t - CNS involvement/dysfunction/damage IX.u IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.u - Central sleep apnea X.f X - Systemic/Distant conditions, syndromes and reactions
X.f - Anaphylaxis-Anaphylactoid reaction (can be fatal) X.af X - Systemic/Distant conditions, syndromes and reactions
X.af - Thrombotic microangiopathy XI.e XI - Miscellaneous
XI.e - Respiratory acidosis - Hypercapnia XI.r XI - Miscellaneous
XI.r - Death following exposure or poisoning XII.e XII - Cardiovascular involvement / toxicity
XII.e - Takotsubo (stress) cardiomyopathy XII.f XII - Cardiovascular involvement / toxicity
XII.f - Cardiomyopathy (acute, subacute, chronic) XII.j XII - Cardiovascular involvement / toxicity
XII.j - Myocardial stunning

IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.p IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.p - Disordered breathing during sleep - Sleep apnea IX.u IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.u - Central sleep apnea

III.a III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.a - Alveolar hemorrhage (AH), diffuse AH (DAH) VIII.a VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.a - Angioedema (may cause UAO, asphyxia and death) IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.h IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.h - Dyspnea, unexplained otherwise IX.p IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.p - Disordered breathing during sleep - Sleep apnea IX.u IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.u - Central sleep apnea XII.ag XII - Cardiovascular involvement / toxicity
XII.ag - Bradycardia

I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia) IV.d IV - Airway involvement
IV.d - Cough (lone) IX.b IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.b - Respiratory dyskinesia IX.e IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.e - Disordered breathing pattern - Cheynes-Stokes respiration IX.g IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.g - Hyperpnea - Hyperventilation - Low PaCO2 XI.d XI - Miscellaneous
XI.d - Metabolic acidosis (incl. lactic acidosis/-gap). May cause hyperpnea/dyspnea