On Thursday, the health retailer—and Theranos’ biggest client—announced that it had stopped sending blood tests to Theranos’ lab in Newark, California.
The announcement came days after Theranos received a letter from the Centers for Medicare and Medicaid Services saying it had found “deficient practices” that “pose immediate jeopardy to patient health and safety.”
Theranos has until Feb. 4 to correct the issues, or it could no longer be certified to perform tests under the Clinical Laboratory Improvement Amendment. The company also faces up to $10,000 in fines each day it fails to correct the deficiencies.
Along with suspending the use of Theranos’ California lab, Walgreens closed its Wellness Center in Palo Alto, California, and said that it was restricting testing for samples collected in Arizona Wellness Centers: