Measles Immunity Profile only $12.95 - Are you immune to measles? Find out fast with a $12.95 Measles Titer Test. - A Titer lab report can identify how many antibodies are in a person's bloodstream, which can identify immunity to a particular disease. If you have been vaccinated previously but are not sure if you are still immune, or if you have never been vaccinated but may have developed immunity, the Titers testing can tell you if you need further vaccines or not. - To establish whether you have immunity to measles due to a previous infection or to vaccination.