DermTech, Inc., a molecular diagnostic company, develops and markets novel non-invasive diagnostic tests to diagnosis skin cancer and related conditions in the United States. The company offers Pigmented Lesion Assay (PLA), a gene expression test that helps rule out melanoma and the need for a surgical biopsy of atypical pigmented lesions. It also provides Nevome test, an adjunctive reflex test for the PLA; and adhesive skin sample collection kits, as well as gene expression assays for the Th1, Th2, IFN-gamma, and Th17 inflammatory pathways. The company is also developing non-melanoma skin cancer diagnostic and non-melanoma skin cancer risk assessment products. The company sells its products primarily to pathology and oncology practitioners. DermTech, Inc. is headquartered in La Jolla, California.