Glossary · Walk-In Lab
Venipuncture
Venipuncture is the standard blood draw from a vein in the arm, performed by a phlebotomist. Direct-to-consumer services that use national lab networks — where you order online and visit a patient service center — rely on venipuncture, which supports a wider test menu than finger-prick collection. Some at-home services also offer mobile phlebotomy, sending a professional to you for the draw.
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