Based on the duration of symptoms, pulmonary<unk>  may be classified as either acute or chronic phase.Pulmonary<unk>  may be classified into three groups based on disease characteristic: first group with circulating anti-glomerular basement membrane (anti-GBM) antibodies, second group, with immune complex disease, and the third group without known immunologic association or (IPH).
Hemosiderosis classification
Albinism classification
Cryoglobulinemia classification
Cyanosis classification
Polycythemia classification
Cirrhosis classification
Encephalopathy classification
Acute tubular necrosis classification