The majority of prescription drugs covered by stand-alone Medicare Part D plans (PDPs) in 2016 are subject to coinsurance, rather than copayments, according to a new analysis from Avalere Health—a dramatic increase in just two years. In 2014, an average of 34.5% of covered drugs were subject to coinsurance in PDPs; in 2016, that figure had climbed to 58.1%.
While most PDPs have historically applied coinsurance to high-cost drugs on the specialty tier, plans have extended coinsurance