DNA Services Of Tennessee Uses Industry Leading Genetic Testing That Is Accredited By The American Association Of Blood Banks, The Most Respected Accrediting Association For Parentage Testing. Our Service Includes The Following: DNA Sample Collection, Laboratory Testing On A Minimum Of 18 Genetic Markers (The Same Used By The FBI), And Reports Which Are Court-Legal And Guaranteed To Be Issued No Later Than 5 Days From The Date Of Sample Collection. Infidelity Testing Available.