A judge temporarily blocked implementation of a sweeping White House effort to pause potentially trillions of dollars in federal grants, loans and other financial-assistance programs, a directive that created chaos as states struggled to access funding portals dealing with Medicaid,

A funding freeze ordered by the Trump administration has sparked widespread confusion about its effects on government programs such as Medicaid.

The White House Office of Management and Budget says its program freeze is limited, but states report widespread disruption in online Medicaid portals.