Biodesix, Inc. is a diagnostic solutions company. It offers blood-based lung tests, including the Nodify XL2 and Nodify CDT tests marketed as Nodify Lung Nodule Risk Assessment testing, which assess lung cancer risk, help identify appropriate treatment pathways, and assist physicians in reclassifying malignancy risk in patients with suspicious lung nodules. It also provides GeneStrat ddPCR, GeneStrat NGS, and VeriStrat tests marketed as part of the IQLung testing strategy, used in lung cancer diagnosis to measure tumor mutations and the patient's immune system state to guide treatment decisions. The company also offers diagnostic solutions such as translational research, biomarker discovery, assay design, development and validation, clinical trial sample testing, regulatory, reimbursement, commercialization, and logistical support services for biopharmaceutical, life sciences, and diagnostic companies, and operates laboratories. It was formerly known as Elston Technologies, Inc. and changed its name to Biodesix, Inc. in 2006. Biodesix, Inc. was incorporated in 2005 and is headquartered in Louisville, Colorado.