Theranos Inc. founder and Chief Executive Elizabeth Holmes said Wednesday that the Silicon Valley laboratory company is in a “pause period” as it seeks to get its proprietary technology approved by the U.S. Food and Drug Administration.

“We have to move, as a company, from the lab framework and quality systems to the FDA framework and quality systems,” Ms. Holmes said, speaking at the WSJD Live global technology conference in Laguna Beach, Calif.

At...