Center for Disease Detection, LLC (CDD) was founded in 1997 for the express purpose of specializing in cancer screening to include cytology and histology testing and testing for the detection of communicable diseases, with a strong concentration in sexually transmitted diseases and HIV (whole blood and oral). We are headquartered in San Antonio, Texas and receive speciments from all 50 states and many other countries. On average, we perform around 4 million tests annually. Our information system allows for automatic electronic transmission of results and data files to our clients.