Biodesix, Inc. operates a data-driven diagnostic solutions company in the United States. The company offers blood-based tests across the lung cancer continuum of care, such as Nodify XL2 and Nodify CDT tests to help physicians reclassify risk of malignancy in patients with suspicious lung nodules; and GeneStrat tumor profiling and VeriStrat immune profiling tests that provide physicians with timely results to facilitate treatment decisions. It also provides Bio-Rad SARS-CoV-2 ddPCR test, which is designed to detect the presence of infection by the SARS-CoV-2 virus; and Platelia SARS-CoV-2 Total Ab test, an antibody test for detecting a B-cell immune response to SARS-CoV-2 that indicate recent or prior infection. In addition, the company offers include diagnostic research, clinical research, development, and testing services to biopharmaceutical companies, as well as discovers, develops, and commercializes companion diagnostics. The company was formerly known as Elston Technologies, Inc. Biodesix, Inc. was incorporated in 2005 and is headquartered in Boulder, Colorado.