Your first thought was the correct one. This from last year: Theranos halted the use of its finger-stick draws, collected in a small tube called a nanotainer,

Your first thought was the correct one. This from last year: Theranos halted the use of its finger-stick draws, collected in a small tube called a nanotainer, after the FDA declared the container was a medical device that should be regulated. That decision did not affect the company's Scottsdale lab, which exclusively uses FDA-approved blood analyzers and instruments made by companies such as Siemens and Olympus. http://www.azcentral.com/story/money/business/consumers/2015/11/27/arizona-inspectors-find-theranos-lab-issues/76021416/ http://www.azcentral.com/story/money/business/consumers/2015...