Take knee pain. Physical therapy might be covered under the core part of the plan.
But say you want to get a knee arthroscopy, a surgical procedure. You'd need to add on that coverage to your core plan, paying an additional amount.
The hope with this strategy is to help members try out less-invasive or lower-cost treatment plans first, ideally saving employers money, too.
"What we do is we're flexing how much coverage costs depending on what you used," Miller said.