Establishing the paternity of a child is the most important step an unmarried couple can take to support a child. Relationship Testing is considered the most accurate and reliable testing option for paternity establishment for the 400,000 plus Arizona unmarried couples.

Paternity Testing Options

A legal DNA test is a DNA test that helps to determine a a biological relationship between an alleged father and a child.

What makes a genetic test a legally admissible document is the establishment of a chain of custody, DNA samples must be collected by an unbiased DNA sample collector, and the testing lab being accredited by the AABB (formerly known as the American Association of Blood Banks).

Results can be used for any legal purpose such as immigration, child custody, child support, birth certificate name addition or removal, and social security benefits.

The of a legal DNA Test starts at 350.00 and up.

Turnaround Time

The average turnaround time for your paternity test results to be completed is 2 to 3 business days from the date the lab receives all genetic samples.

Same-day DNA services are available for people who require expedited results. Contact us for a free phone consultation at 888-204-0583 to learn more about this option.

Scheduling an appointment

Call 888-204-0583 to schedule an appointment with one of our DNA sample collection sites near your city in California today.

California Areas We Service

Los Angeles

San Francisco

San Diego


At Home Paternity Test (Peace of Mind)

A Home DNA test kit that also can determine if an alleged father is biologically related to a child. It is a cost effective testing option that requires self-collection and can be performed at home.

The results for type of relationship test is for informational purposes only and cannot be used for any legal reason.

How much does Home Paternity Test Kit cost for California residents?

The cost for an At- Home DNA Test kit starts at 199.99 and up. Click the button below to purchase online.

Order a home paternity test kit here or contact us by phone at 888-204-0583 today.

Additional Options

Immigration DNA Testing in California

The commonly requested evidence relationship types for immigrant family reunification cases are for paternity, maternity, and sibling relationship options.

The U.S Citizen (petitioner) and the applicant for citizenship (beneficiary) in most instances are requirements for evidence submission. Valid government ID for the U.S. citizen and the request for evidence from the embassy or USCIS are required.

Upon receipt of all genetic sample results will be available in 3 business days. All genetic samples are tested and analyzed by our partner AABB accredited.

Grandparent Services

This option is performed with one or both of the alleged father’s parents and the child. It is recommended that the mother of the child participates in this test for increased accuracy.

Sibling Services

This option can be used if the alleged father is two children with two different mothers. It is recommended that one of the mothers participates in this test for increased accuracy.

Maternity Services

This option helps to establish if a mother and child are biologically related.

Avuncular Services

This testing option is used when a sibling or grandparent test cannot be performed. An aunt or uncle is tested with a niece or nephew. This testing can only be performed if the alleged father has biological siblings.

Call IDTO at 888-204-0583 to schedule an appointment today.

Lab Accreditation

All genetic relationship services we provide are under the strict supervision of our partner AABB accredited laboratory.


Please note that the IDTO Paternity Testing Center’s partner laboratory does not share any personal or genetic information with third-party companies.

All information provided to our partner laboratory is kept secure and will only be released to third parties with the explicit consent of the participants involved or by court-order. Specimen samples on file are kept for 3 months on average than destroyed.


Why Choose Us

IDTO has assisted thousands of families in Arizona and nationwide with their Genetic testing needs. Since 2004, We are a trusted and go to source for both legal and medical professionals nationwide for their client’s DNA testing needs.

Our knowledgeable staff will help assist you with choosing the right type of genetic test specific to your specific situation. This attention to detail will limit you purchasing the wrong type of relationship test and will you avoid paying for an additional DNA test.

Frequently Asked Questions

Does IDTO offer non-invasive prenatal testing services?

No. Currently we do not offer non-invasive prenatal paternity testing services.

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