V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) VI.g VI - Pulmonary vasculopathies
VI.g - Foreign body pulmonary vasculopathy (Excipient lung disease) X.q X - Systemic/Distant conditions, syndromes and reactions
X.q - Systemic inflammatory response X.s X - Systemic/Distant conditions, syndromes and reactions
X.s - Vasculitis, pulmonary (w/wo AH), extrapulmonary, systemic: ANCA-positive XV.q XV - Pathology
XV.q - Path: Foreign body deposits/granulomatous reaction XV.ag XV - Pathology
XV.ag - Path: Foreign body embolism, microangiopathy, vasculopathy XV.bz XV - Pathology
XV.bz - Path: Hydrophilic polymer emboli XVI.w XVI - Imaging
XVI.w - Imaging: Lung nodule or nodules XVI.ab XVI - Imaging
XVI.ab - Imaging: Cavitating/cavitary lung nodule, mass or nodules (see also Iq, XIs, XIIi, XVIaa and XVIIp) XVI.an XVI - Imaging
XVI.an - Imaging: Pleural effusion

I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging) I.n I - Interstitial/parenchymal lung disease
I.n - Pulmonary alveolar proteinosis (PAP) I.y I - Interstitial/parenchymal lung disease
I.y - Progression, acceleration or exacerbation of preexisting ILD/fibrosis V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.c V - Pleural and/or pericardial involvement
V.c - Pleural thickening V.d V - Pleural and/or pericardial involvement
V.d - Pleural/pericardial effusion, ANA positive (DI lupus) V.h V - Pleural and/or pericardial involvement
V.h - Chylothorax V.i V - Pleural and/or pericardial involvement
V.i - Pleuritis (can cause chest pain) V.m V - Pleural and/or pericardial involvement
V.m - Pleuropericarditis - Pleuropericardial effusion (ANA unknown or negative) VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension X.d X - Systemic/Distant conditions, syndromes and reactions
X.d - Lupus - Lupus syndrome (see also Vd) X.r X - Systemic/Distant conditions, syndromes and reactions
X.r - Fluid retention XI.b XI - Miscellaneous
XI.b - Chest pain (acute or subacute), lone or prominent XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade) XV.c XV - Pathology
XV.c - Path: Organizing pneumonia (OP/BOOP) pattern (see also Id) XV.n XV - Pathology
XV.n - Path: Pulmonary alveolar proteinosis pattern (PAP pattern) XV.ao XV - Pathology
XV.ao - Path: Pleuritis, pleural fibrosis XV.ch XV - Pathology
XV.ch - Path: Organizing fibrinous pleuritis (OFP) XVI.m XVI - Imaging
XVI.m - Imaging: Interlobular septal thickening XVI.an XVI - Imaging
XVI.an - Imaging: Pleural effusion XIX.a XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.a - BAL: An excess proportion of lymphocytes

V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.c V - Pleural and/or pericardial involvement
V.c - Pleural thickening V.h V - Pleural and/or pericardial involvement
V.h - Chylothorax V.o V - Pleural and/or pericardial involvement
V.o - The 'folded lung' (Blesovsky syndrome) XII.b XII - Cardiovascular involvement / toxicity
XII.b - Valvular heart disease and/or dysfunction XII.k XII - Cardiovascular involvement / toxicity
XII.k - Constrictive pericarditis - Pericardial thickening XVI.an XVI - Imaging
XVI.an - Imaging: Pleural effusion XVI.ap XVI - Imaging
XVI.ap - Imaging: Pleural thickening w/wo rounded atelectasis

I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD) I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging) I.ak I - Interstitial/parenchymal lung disease
I.ak - Pleuropneumonitis IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion (uni- or bilateral) (can accompany DI-LDs) V.c V - Pleural and/or pericardial involvement
V.c - Pleural thickening V.h V - Pleural and/or pericardial involvement
V.h - Chylothorax V.m V - Pleural and/or pericardial involvement
V.m - Pleuropericarditis - Pleuropericardial effusion (ANA unknown or negative) V.o V - Pleural and/or pericardial involvement
V.o - The 'folded lung' (Blesovsky syndrome) VII.d VII - Mediastinal involvement
VII.d - Fibrosing mediastinitis XI.u XI - Miscellaneous
XI.u - Chest pressure/discomfort XI.aq XI - Miscellaneous
XI.aq - Retroperitoneal fibrosis XII.a XII - Cardiovascular involvement / toxicity
XII.a - Left or biventricular dysfunction/failure XII.b XII - Cardiovascular involvement / toxicity
XII.b - Valvular heart disease and/or dysfunction XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade) XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction XV.ao XV - Pathology
XV.ao - Path: Pleuritis, pleural fibrosis XVI.an XVI - Imaging
XVI.an - Imaging: Pleural effusion XVI.ap XVI - Imaging
XVI.ap - Imaging: Pleural thickening w/wo rounded atelectasis