A primer on copay accumulators, copay maximizers, and alternative funding programs.

Insurer or self-insured employer's plans are increasingly using copay accumulator, copay maximizer, and alternative funding programs (AFPs) to reduce plan spending on high-priced prescriptions. These programs differ in their structure and impact on patient affordability but typically decrease the insurer or self-insured employer's financial responsibility for high-priced drugs and increase the complexity of specialty medication access for patients. The aim of this primer is to describe the structure of copay accumulator, copay maximizer, and AFPs to improve understanding of these cost-shifting strategies and help clinicians and patients navigate medication access and affordability issues to minimize treatment delays or non-initiation.