Description

Court-Admissible Relationship Testing

Labs By Request offers legal (court-admissible) sibling DNA testing to determine whether two or more individuals share one or both biological parents. Testing is performed under strict chain-of-custody standards to meet legal and governmental requirements.

This test is commonly used when a presumed parent is unavailable for testing.

Appropriate Uses

  • Probate and inheritance cases
  • Immigration and visa documentation
  • Social Security or benefits eligibility
  • Estate and family court matters
  • Other court or government requirements

What This Test Can Determine

  • Full siblings (same biological mother and father)
  • Half siblings (one shared biological parent)
  • Unrelated individuals

Legal Testing Requirements

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

Testing Options

  • Legal Full / Half Sibling Test
  • Multiple sibling testing available
  • Optional inclusion of a known parent (if available) to increase accuracy