Biodesix is a US-based data-driven diagnostic solutions company that offers a range of blood-based lung tests to assess the risk of lung cancer and help in identifying the appropriate treatment path. They also provide tests to measure the presence of mutations in the tumor and the state of the patient's immune system to establish the patient's prognosis and help guide treatment decisions. Additionally, the company offers clinical research and trial testing services to biopharmaceutical companies and develops companion diagnostics.