Genetic Test Aims To Identify Those Predisposed To Opioid Addiction Posted on October 19, 2016 by Los Angeles 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: An Irvine company has developed a cheek-swab DNA test that is coupled with a questionnaire to identify a patient’s predisposition to opioid addiction. Andrea Fujii reports. 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: