The latest science.
Results you can trust.

Our rigorous standards ensure quality service.

  • Our Carrier Status Tests meet FDA criteria for being scientifically and clinically valid
  • All saliva samples are processed in CLIA-certified and CAP-accredited labs
  • Our DNA collection kit is FDA-cleared for use with our Carrier Status Tests
  • Our kit is manufactured in accordance with FDA's Good Manufacturing Practice regulations
  • Genotyping is a well-established and reliable platform for analyzing DNA
  • Our team of scientists and medical experts uses a robust process to develop reports to ensure validity

How your DNA becomes a report.

Human DNA is about 99.5% identical from person to person. However, there are small differences that make each person unique. These differences are called variants.

Your DNA was passed down from your parents—and their parents and so on. Variants can be linked to certain health conditions, traits and ancestry groups.

Your saliva contains DNA from cells in your mouth. We send you a saliva collection kit and instructions for providing your sample.

Our CLIA-certified lab extracts DNA from cells in your saliva sample. Then the lab processes the DNA on a genotyping chip that reads hundreds of thousands of variants in your genome.

Your genetic data is analyzed, and we generate your personalized reports based on well-established scientific and medical research.

Why genetics is only part of the story.

When it comes to your health and traits, DNA is only part of the story. Other variables come into play, including non-genetic factors, such as your environment and lifestyle.

Our process at work.

To ensure quality, your DNA analysis is performed in US laboratories that are certified by CLIA (Clinical Laboratory Improvement Amendments of 1988) and accredited by the College of American Pathologists (CAP).

More about our lab

Hi. Still have questions about the science?

Here are just a few of the things people frequently ask about 23andMe. If you don't see your question here, get in touch with us.

What is a variant?

What is genotyping?

What does 23andMe mean?

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DNA Basics

How your DNA becomes a report

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