Cost-Containment

The truth is, even the most engaged plan sponsors can only exert so much control over health care costs. What they can control is how they evaluate and monitor their vendors.

"Although MultiCare received repeated assurances from Change that these issues would be addressed, this did not occur," the lawsuit said.

The "web-based supermarkets for health insurance" could change, but officials predict they'll still serve more than 15 million people.

Sen. Elizabeth Warren, D-Mass., and Sen. Josh Hawley, R-Mo., are launching the fight in a world where federal PBM transparency mandates are now law.

"The alleged violations by MultiCare show a wanton disregard for ethics and the medical principle to do no harm," Washington Attorney General Nick Brown said in a statement.

Throughout the United States, about 67% of the civilians living outside institutions had private health coverage.