(April 19, 2017, 9:23 AM EDT) -- PHOENIX — Blood-testing start-up Theranos Inc. on April 18 agreed to pay $4.85 million to Arizona as full restitution to state residents who had their blood tested under the company’s auspices only to have 834,233 test results voided (State of Arizona, et al. v. Theranos, Inc., No. n/a, Ariz. Super., Maricopa Co.)....