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Glossary · Testing Basics

CAP Accreditation

CAP accreditation is a voluntary program from the College of American Pathologists that inspects laboratories against standards widely considered stricter than the CLIA baseline. Many labs used by direct-to-consumer testing services hold both CLIA certification and CAP accreditation. When a service names its lab partners, CAP accreditation is a meaningful extra trust signal — not a guarantee of the right test choice, but evidence of lab quality.

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