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Relationship testing

Also known as: Paternity/Maternity/Other Relationships

Test category:

DNA Labs - Relatedness

Use of test


This test assesses a up to 24 highly variable regions of the genetic code between two or more individuals to test for specific biological relationships.


The laboratory will provide an interpretation of the results. For maternity, paternity, Y-Chromosome testing the relationship with be reported to be EXCLUDED or NOT EXCLUDED (conclusive results). For the other relationship testing it is reported on a likelihood scale.

Ethical considerations:

This kind of testing requires the explicit consent of all parties from whom samples are collected. The collection of a sample for any form of genetic testing without consent may be illegal.


Analysis of the number of repeats in highly variable 'short tandem repeats' located at multiple points in the genetic code.

Requesting the test


This test is requested by private application rather than through a medical practitioner. The psychological, ethical, and legal consequences that may arise from the test result should be considered before applying for this test. The collection requirements for this test will vary depending on the purpose of testing. If the test is required for legal purposes, the collection requirements are more stringent than if the test does not need to fulfil these requirements. A specific request form must be used (see link below).

Request form:

>Application forms for testing

Sample required:

Buccal swab (primarily), FTA blood spot, fixed tissue.

Special instructions:

Please contact the laboratory on 1300 663 244 to enquire about the process.

Turnaround time:

5-10 business days from receipt of all samples at DNALabs.


The price will vary according to the standard of testing, relationship being tested and the number of people to be tested. Please contact DNALabs on 1300 663 244 for further information.


This test is not rebated by Medicare and requires prepayment.

Click here for our billing policy.