Description

For Personal Knowledge Only

Labs By Request offers informational (non-legal) sibling DNA testing to help determine whether two or more individuals are biologically related as siblings. This testing is intended for personal knowledge and peace of mind only and is not court-admissible.

Common Reasons for Informational Sibling Testing

  • Personal curiosity or family clarity
  • Adoption or reunion questions
  • Genealogy and ancestry research
  • Family history exploration
  • Private confirmation without legal involvement

What This Test Can Indicate

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

How Informational Testing Works

  • Simple, non-invasive cheek swab samples
  • Samples may be collected at home or in our office
  • No photo ID or chain-of-custody requirements
  • Confidential laboratory analysis
  • Easy-to-read written results

Testing Options

  • Informational Sibling DNA Test
  • Multiple sibling testing available
  • Optional inclusion of a known parent (if available) to improve accuracy