Find DNA Testing Near You
TestMark DNA has 2,297+ certified collection sites across all 50 US states. Whether you need a legal paternity test, immigration DNA test, or personal peace of mind, our team handles the full process from your free consultation through confidential results delivery. All collection sites are CLIA-certified - the federal standard for clinical laboratory testing. Call (866) 702-7644 to get started.
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Our DNA Testing Services
Paternity Testing
Determine biological fatherhood with over 99.99% accuracy.
Maternity Testing
Confirm biological motherhood for legal or personal reasons.
Sibling Testing
Determine if two individuals share one or both parents.
Immigration Testing
AABB-accredited testing for USCIS visa and immigration cases.
Twins Testing
Determine if twins are identical or fraternal.
Grandparent Testing
Establish biological relationships through grandparent DNA.
Avuncular Testing
Test biological relationships between aunts, uncles, and nieces or nephews.
Forensic Testing
DNA analysis for legal investigations and evidence processing.
Home DNA Kit
Collect samples at home for personal knowledge results.