,15–17 Laboratory examinations such as, white blood cell (WBC) count; COHb, neutrophil, lymphocyte, lactate, creatine kinase, N-terminal pro B-type natriuretic peptide (NT-proBNP), and troponin-I levels; and red cell distribution width (RDW), were used to predict the severity and prognosis of COP in previous studies18–22; While their predictive value remains inconsistent. This evidence concerns the gene NPPB and cryptogenic organizing pneumonia.