II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury IV.p IV - Airway involvement
IV.p - Thermal, chemical or caustic airway injury

I.v I - Interstitial/parenchymal lung disease
I.v - Abnormal lung function/pulmonary physiology (PFTs) without necessarily imaging or clinical evidence I.af I - Interstitial/parenchymal lung disease
I.af - Chemical (toxic) pneumonitis 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 IV.c IV - Airway involvement
IV.c - Obliterative bronchiolitis (a pattern consistent with) (see also IVn, XVx) IV.e IV - Airway involvement
IV.e - Cough (acute, violent, explosive) IV.p IV - Airway involvement
IV.p - Thermal, chemical or caustic airway injury IV.q IV - Airway involvement
IV.q - Reactive airway dysfunction syndrome (RADS) VII.h VII - Mediastinal involvement
VII.h - Pneumomediastinum VIII.c VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.c - Upper airway obstruction other than angioedema or hematoma IX.t IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.t - CNS involvement/dysfunction/damage XI.s XI - Miscellaneous
XI.s - Sniffing death - Death from inhalation of compound XII.a XII - Cardiovascular involvement / toxicity
XII.a - Left or biventricular dysfunction/failure XIV.a XIV - Hemoglobinopathies - Abnormal hemoglobin states (acquired)
XIV.a - Methemoglobinemia XIV.c XIV - Hemoglobinopathies - Abnormal hemoglobin states (acquired)
XIV.c - Carboxyhemoglobinemia

IV.m IV - Airway involvement
IV.m - Bronchial stenosis/stricture IV.p IV - Airway involvement
IV.p - Thermal, chemical or caustic airway injury IV.s IV - Airway involvement
IV.s - Lolalized airway inflammation/burgeoning/stenosis: The pill aspiration syndrome VII.a VII - Mediastinal involvement
VII.a - Lymphadenopathy (intrathoracic) VIII.ar VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.ar - Chemical laryngitis XV.az XV - Pathology
XV.az - Path: Localized/focal bronchiolitis XV.bg XV - Pathology
XV.bg - Path: Tracheal or bronchial wall ulceration (see also IVs) XV.bk XV - Pathology
XV.bk - Path: Stainable iron in airway wall (see also IVs) XIX.e XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.e - BAL: Stainable iron in macrophages

I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS) IV.k IV - Airway involvement
IV.k - Bronchiectasis IV.p IV - Airway involvement
IV.p - Thermal, chemical or caustic airway injury XII.ai XII - Cardiovascular involvement / toxicity
XII.ai - Cardiotoxicity XV.c XV - Pathology
XV.c - Path: Organizing pneumonia (OP/BOOP) pattern (see also Id)