Sibling DNA Test

Siblings are brothers and/or sisters. Full-siblings have the same mother and father, while half-siblings share only one parent. A sibling test can be used to confirm whether two, or more children are related and to identify if they share one or both biological parents.

Sibling analysis is not as conclusive as paternity testing and can only report the most likely relationship ‘given the DNA evidence’. The results will provide a statistical likelihood of whether two individuals are true biological relatives, but sibling analysis cannot provide a conclusive result. However, if either of the parents of the siblings who are being assessed are available for testing, this will aid the analysis and may increase the certainty of the result.

Cellmark provides a fast court approved service without compromising accuracy and quality, giving you the reassurance that your testing is in good hands. Our prices start from £324 (+VAT).

Our testing prices include the following - as standard:

• All sampling kits and the cost of sending them to UK sampling locations.
• Pre-paid return envelopes to safely transport the samples to our laboratory.
• The cost of testing the samples once they have been received at our laboratory.
• Our standard 'Next Day' turn around time.
• The cost of producing and delivering the final test report.
• Our advice service for the duration of the case accessible via email, Freephone and our web Chat service.

Please note, in addition to the DNA testing cost, you will also need to pay to have the DNA samples taken. Our customer services team can provide full details on how the sampling process works and the costs involved.