Ark Diagnostics

Ark Diagnostics, Inc. is a privately-held US-based company specializing in the design, development, and manufacture of in vitro diagnostic (IVD) immunoassays. Founded in 2005 and headquartered in Fremont, California, the company focuses on assays for therapeutic drug monitoring (TDM) and urine drug testing (UDT). Its product portfolio includes FDA-cleared and CE-marked tests for managing epilepsy, cancer, pain medication, and detecting drugs of abuse.