Bengaluru, May 19 -- For Bengaluru-based techie Sumukh S, blood tests used to be a transactional matter. He would compare prices across apps, check availability and book whichever lab seemed cheapest or quickest that day. That changed about two years ago, after a friend recommended Orange Health Labs. Since then, he says, the app has become his default option, because of its agility. "I've had phlebotomists arrive within half an hour [to draw blood]," he told Mint. The reports also came in quickly. "The entire thing gets done within half a day."

That promise of speed sits at the heart of Orange Health's ambition. The Bengaluru-headquartered upstart is trying to turn diagnostics into an on-demand consumer service. It promises home sample ...