Discounted DNA Paternity Testing Group’s legally admissible DNA paternity tests are guaranteed to have the lowest legal DNA Paternity test cost or we’ll BEAT THE COMPETITOR LABORORY PRICE. We typically complete testing in 2-3 working days. We'll schedule you into a local hospital or forensic laboratory draw station for a professional DNA collection. We also provide a variety of DNA tests to prove maternity, grandparentage, siblingship and other kinships. Our paternity test results are also used as legal evidence to establish biological ties in a family-based immigration petitions.