I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS) 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 III.a III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.a - Alveolar hemorrhage (AH), diffuse AH (DAH) IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension VII.h VII - Mediastinal involvement
VII.h - Pneumomediastinum VIII.ae VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.ae - 'Meth mouth' IX.ae IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.ae - Stroke X.m X - Systemic/Distant conditions, syndromes and reactions
X.m - Vascultis (pulmonary, extrathoracic or systemic)-ANCA status unknown or negative) X.u X - Systemic/Distant conditions, syndromes and reactions
X.u - Multiple organ dysfunction/failure (MODS/MOF) XI.b XI - Miscellaneous
XI.b - Chest pain (acute or subacute), lone or prominent XI.r XI - Miscellaneous
XI.r - Death following exposure or poisoning XII.f XII - Cardiovascular involvement / toxicity
XII.f - Cardiomyopathy (acute, subacute, chronic) XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction XII.ba XII - Cardiovascular involvement / toxicity
XII.ba - Sudden cardiac death XV.q XV - Pathology
XV.q - Path: Foreign body deposits/granulomatous reaction

II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury VIII.e VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.e - Laryngospasm (a.k.a. laryngismus) IX.ae IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.ae - Stroke X.u X - Systemic/Distant conditions, syndromes and reactions
X.u - Multiple organ dysfunction/failure (MODS/MOF) XI.r XI - Miscellaneous
XI.r - Death following exposure or poisoning XII.l XII - Cardiovascular involvement / toxicity
XII.l - Cardiac arrhythmias or dysrhythmias (AF, VT, VF, TdP)