We understand the importance of establishing a child’s paternity. When an alleged father is unavailable to perform a paternity test, a Grandparent test is an effective alternative testing option to help determine paternity. At IDTO DNA, we take pride in providing accurate and affordable testing services to help families confirm biological relationships.
How much does an IDTO Grandparent DNA Test cost?
Pricing starts at $299.99. Below are IDTO DNA Grandparent Testing options.
| Testing Options | Cost | Additional Per Person |
| At-Home Grandparent DNA Test( 1 Grandparent & Grandchild or Grandparent, Grandchild w/mother) | Starts at $299.99 Click Here To Buy | $125.00 |
| At-Home Grandparent DNA Test( 2 Grandparent & Grandchild or Grandparent, Grandchild w/mother) | Starts at $430.00 Click Here To Buy | $125.00 |
| Legal Grandparent DNA Test1 Grandparent & Grandchild or Grandparent, Grandchild w/mother) | Starts at $499.99 Click Here To Call | $125.00 |
| Legal Grandparent DNA Test2 Grandparents & Grandchild or Grandparent, Grandchild w/mother) | Starts at $599.99 Click Here To Call | $125.00 |
| In-Office Sample Collection | Ranges from $25 to $100 per person for in-office appointments. Collection fees are determined based on location. | Sample Collection fees are not included in the cost of DNA Test. |
Below are our available DNA Grandparent Testing options:
Maternal Grandparent DNA Test:
This testing option determines if a grandmother and grandchild are biologically related.
Paternal Grandparent DNA Test:
This testing option determines if a grandfather and grandchild are biologically related.
Both Grandparents DNA Test:
This testing option determines if both grandparents and grandchild are biologically related. Adding both grandparents increase effectiveness of the Family Reconstruction analysis.
At-Home DNA Grandparent Test Kit (Peace of Mind):
This testing option is an informational test to help determine if two individuals share one common biological parent or both parents. Home Grandparent DNA Testing cannot be used for any legal purpose.
DNA Test Sample Collection Kit Contents
- 4 sterilized buccal swabs (2 swabs per person)
- Sample DNA collection instructions
- Contact identification form
- Prepaid overnight FedEx return shipping envelope
New York Resident Restrictions:
Please note that New York State (NYS) residents cannot perform at-home DNA tests due to New York State Department of Health (NYSDOH) guidelines. In NYS, only legal DNA testing is permitted, and it requires a prescription referral from a doctor licensed in the state
Getting Started: How The Process Works
- Discreetly Order Your Kit online or call 888-204-0583. We ship your kit within 24 hours.
- Self-Collect Your Sample: Follow the included instructions to collect your cheek swab or forensic samples
- Ship Your Samples: Securely place all contents into the provided prepaid FedEx return envelope.
- Receive Your Results: Expect results within 2-3 business days after processing. You’ll receive a confidential report via email and physical mail.
Legal Grandparentage DNA Test
A legal Grandparent test is a DNA testing option that requires a strict chain of custody. DNA samples must be collected by an independent third-party sample collector, and the analysis is performed by our partner AABB-accredited DNA laboratory. This accreditation ensures your results will be accepted by immigration agencies and family courts nationwide.sample collector, and the analysis is performed by our partner AABB-accredited DNA laboratory. This accreditation ensures your results will be accepted by immigration agencies and family courts nationwide.
Where can I to get sibling test?
Call 888-204-0583 to schedule an appointment in city near your home. We have over thousands specimen collection sites in our network in every major city nationwide.
- Alabama
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
Frequently Asked Questions
How long does it take to receive your DNA results?
Result turnaround times for both legal and non-legal tests is 2 to 3 business days from the date lab receives all genetic samples.
Once testing is completed a copy of your results will be mailed to your home and additional copy will be emailed to you.
Are At-Home Grandparent Test results accurate?
Yes. All DNA specimens submitted are tested and analyzed by our partner AABB accredited DNA laboratory. Samples are tested on a minimum of 22 genetic markers.
Can a DNA Test for grandparents be performed in different locations?
Yes. We can schedule in-office appointments at two different locations, or we can ship DNA test kits to separate addresses. If you choose the multiple-location shipping option during checkout, we will follow up by email to confirm the secondary address.
Call 888-204-0583 to schedule an appointment or to order Home Grandparent DNA Test kit here.
Does the mother have to be included in my DNA Test?
We recommend having the known parent (mother or father) if available to participate in the testing process. Adding the known parent helps to increase the accuracy of a Grandparent DNA Test.
Why Choose Us IDTO DNA
Since 2004, IDTO DNA has been a trusted resource for legal and medical professionals who require reliable DNA Grandparent testing. Our knowledgeable staff will guide you in selecting the correct genetic test for your specific situation. This careful attention ensures you get the right test the first time, saving you the hassle and cost of re-testing.

