The NT-proBNP-CHECK-1 quantitative antigen test is an in vitro diagnostic (IVD) immunochromatographic rapid test. When used in combination with VEDALAB Easy reader+ instrument, it can detect and quantify amino terminal fragment of the Brain Natriuretic Peptide (NT-proBNP) to assess cardiac disorders such as congestive heart failure. The test can be performed on whole blood, serum or heparinized plasma samples.