Fallout From Change Healthcare Hack Still Roils Health Care (1)

A cyberattack that has disrupted Change Healthcare’s computer networks for nearly a week is creating a growing administrative problem for pharmacies and health-care providers around the nation.

Change Healthcare, a division of UnitedHealth Group Inc., processes insurance claims and pharmacy requests for more than 340,000 physicians and 60,000 pharmacies. The hack was discovered on Feb. 21, prompting UnitedHealth to isolate the impacted systems.

UnitedHealth gave no clearer sense on Tuesday when it would be resolved. Until then, essential connections that distribute data and money across the health-care system are severed, leading to growing backlogs of claims and payments.

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