Biocept, Inc. is an oncology laboratory service company, which focuses on the development and marketing of novel laboratory products in the detection of rare cells to include circulating tumor cells. It develops and commercializes proprietary circulating tumor cell and circulating tumor DNA tests utilizing a standard blood sample. The company utilizes cell enrichment and extraction technology for the detection and analysis of circulating tumor DNA tests. It also offers services to other laboratory testing providers, academic institutions, research organizations, biopharmaceutical companies and clinical trial support and specific oncogenic alterations. Biocept was founded on May 12, 1997 and is headquartered in San Diego, CA.