Understanding Your DNA Test Results

DNA Clinics provides accredited DNA testing services designed to deliver clear, reliable results for peace of mind. All samples are analysed by a UKAS ISO 17025-accredited UK laboratory using industry-leading testing methods.

In the vast majority of cases, DNA testing provides a clear and conclusive result. However, as with all genetic testing, there are rare circumstances where a result may be reported as inconclusive.

What does an inconclusive result mean?

An inconclusive result means that the DNA profiles analysed do not provide enough statistical certainty to confirm or exclude the biological relationship being tested.

This does not indicate an error with the test or the laboratory process. Instead, it reflects the complex nature of DNA inheritance and how genetic markers are shared between individuals.

How likely is an inconclusive result?

Inconclusive results are uncommon and are more likely to occur in:

  • More complex relationship tests (such as sibling or grandparent testing)
  • Cases with a limited number of participants
  • Situations where participants share similar genetic markers

Standard paternity and maternity tests have a very high likelihood of producing a conclusive result.

What happens if a result is inconclusive?

If a result is inconclusive, we will always explain this clearly and discuss the available options with you. Depending on the circumstances, this may include:

  1. Including additional test participants, where appropriate
  2. Further laboratory analysis using additional DNA markers

Any optional further testing will be discussed in advance, including any applicable costs.

Our priority is always to help you achieve the most informative result possible.

Refunds and additional testing

Because the laboratory analysis and reporting process has already been completed, refunds are not issued for inconclusive results.

This policy reflects the nature of DNA testing rather than the quality of the service provided. Every test is analysed in full by an accredited laboratory, regardless of the final outcome.

Need advice before ordering?

If you would like guidance on the most suitable test for your situation, or would like to understand how to maximise the likelihood of a conclusive result, our team is happy to help.

📞 Call 0800 988 7107 to speak with a member of our team before ordering your DNA test.