Bring a Government-Issued ID
Adults bring a driver's license, state ID, or passport. Children under 18 do not need ID. A birth certificate is helpful for legal tests but not required for personal tests.

All collection sites are CLIA-certified - the federal standard for clinical laboratory testing.
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TestMark DNA - Rancho Santa Margarita
22032 El Paseo Ste 160
Rancho Santa Margarita, CA 92688
Get Directions| Monday | 7:30 AM - 3:30 PM |
| Tuesday | 7:30 AM - 3:30 PM |
| Wednesday | 7:30 AM - 3:30 PM |
| Thursday | 7:30 AM - 3:30 PM |
| Friday | 7:30 AM - 3:30 PM |
| Saturday | Closed |
| Sunday | Closed |
DNA testing in Rancho Santa Margarita, California is available at our certified collection site located at 22032 El Paseo Ste 160. TestMark DNA manages the full testing process from your initial consultation through confidential results delivery. Our collection sites are part of a nationwide network of CLIA-certified facilities - the same laboratories used by hospitals and physicians. Walk-ins are welcome and no doctor's order is required. Call (866) 702-7644 to schedule your test today.
Call our team and we'll walk you through the right test, answer your questions, and confirm your nearest location.
(866) 702-7644Visit 22032 El Paseo Ste 160, Rancho Santa Margarita, CA 92688. A quick, painless cheek swab is all that is needed.
Get DirectionsReceive your confidential results delivered securely by email. Results are accurate, private, and legally defensible.
DNA testing at our Rancho Santa Margarita, California collection site is straightforward, painless, and typically takes less than 30 minutes. Here is what to know before you visit 22032 El Paseo Ste 160.
Adults bring a driver's license, state ID, or passport. Children under 18 do not need ID. A birth certificate is helpful for legal tests but not required for personal tests.
Collection takes about a minute. A trained technician rubs a soft cotton swab on the inside of the cheek for each tested party. No needles, no blood, no fasting required.
Most visits to 22032 El Paseo Ste 160 in Rancho Santa Margarita take under 30 minutes from check-in through sample collection. Legal tests run slightly longer because chain-of-custody paperwork is completed in person.
Appointments are not required at most Rancho Santa Margarita, California collection sites. Calling (866) 702-7644 before you arrive lets us confirm current wait times and the right test for your situation.
Infants, toddlers, and minors are all eligible. The cheek swab is the same regardless of age. For legal tests involving a minor, the custodial parent or legal guardian must be present to sign the chain-of-custody form.
Once all samples are received at the accredited laboratory, standard turnaround is 3 to 5 business days. Results are delivered confidentially by encrypted email or secure portal. They are never released over the phone.
Questions before you visit? Call (866) 702-7644 for a free consultation.
DNA test pricing in Rancho Santa Margarita, California depends on the specific test you need. Call TestMark DNA for a free consultation. We will confirm the exact price for your situation before you visit the collection site.
Paternity, maternity, sibling, grandparent, immigration, and home kit tests are each priced differently. Legal (court-admissible) tests cost more than personal-knowledge tests because they include chain-of-custody documentation.
DNA paternity and relationship testing is classified as a non-medical test and is not reimbursed by health insurance plans. Payment is collected directly at the time of testing.
We walk you through pricing on the phone before you commit. There is no charge to call, no charge to ask questions, and no obligation to book a test after the consultation.
Tests that involve additional parties (for example, a paternity test that also includes the mother, or sibling tests with multiple siblings) often qualify for a per-person discount. Confirm by phone before your appointment.
Get an exact quote for your test in under five minutes. Call (866) 702-7644.
Both options available - call to confirm which is right for your situation.
Not sure which test you need? Call for a Free Consultation - (866) 702-7644This Rancho Santa Margarita, California collection site serves patients arriving from 92688 and the surrounding ZIP codes listed below. If you are closer to a neighboring city, our nearby TestMark DNA locations may be a shorter drive.
We accept walk-ins from any ZIP code. The list above reflects the nearest service area for Rancho Santa Margarita.
Each link goes to the city hub with all TestMark DNA collection sites available in that city.
26700 Towne Centre Dr Suite 110, Foothill Ranch, CA 92610
View Hours & Details →26691 Plaza Ste 180, Mission Viejo, CA 92691
View Hours & Details →26732 Crown Valley Pkwy Ste 421, Mission Viejo, CA 92691
View Hours & Details →26800 Crown Valley Pkwy Suite 100, Mission Viejo, CA 92691
View Hours & Details →27800 Medical Center Rd Building 1 Suite 200, Mission Viejo, CA 92691
View Hours & Details →Get DNA testing in Rancho Santa Margarita started today
Free, confidential consultation. No appointment needed.
Call for a Free Consultation - (866) 702-7644