Cancer Genetics, Inc. is engaged in the field of personalized medicine, enabling precision medicine in the field of oncology through its diagnostic products and services and molecular markers. Through its subsidiary, the Company offers preclinical test systems. The Company offers discovery services to the pharmaceutical industry, biotechnology companies and academic research centers. The Company provides the tools and testing methods for companies and researchers to identify new molecular- and biomarker-based indicators for disease and to determine the pharmacogenomics, toxicity and efficacy of therapeutic candidate compounds. Its discovery services include development of both xenograft and syngeneic animal models, toxicology and genetic toxicology services, pharmacology testing, pathology services, and validation of biomarkers for diseases including cancers. It also provides consulting, guidance and preparation of samples.