It’s no surprise the Food and Drug Administration decided to flex its regulatory muscle over laboratory-developed tests (LDTs) – Commissioner Robert Califf has made it clear for a year now that the agency’s rulemaking authority was on the table; and when Congress failed to act on diagnostic reform last year, it almost became a certainty the FDA would do so unilaterally.
As recently as August, Califf was blunt: “We’re going down the pathway of a rule, let me be clear about...