Description

Court-Admissible Relationship Testing

Labs By Request offers legal (court-admissible) grandparent DNA testing to help determine whether one or two individuals are the biological grandparents of a child. This test is commonly used when a presumed parent is unavailable for testing.

Common Legal Uses

  • Immigration and visa documentation
  • Probate and inheritance cases
  • Social Security or benefits eligibility
  • Court or government-required relationship verification

What This Test Can Determine

  • Whether the tested individual(s) are biological grandparents of the child
  • Results are probability-based, not absolute

Accuracy improves when both grandparents on the same biological side are tested. Inclusion of additional family members (such as siblings of the child) may further strengthen results.

Legal Testing Requirements

  • Strict chain of custody from collection to laboratory
  • Photo ID verification of all adult participants
  • Witnessed sample collection by trained personnel
  • AABB-accredited laboratory analysis
  • Court-admissible written report