A small proportion of the people who have PrEP indications have uncovered costs for its use, according to Estimated Uncovered Costs For HIV Preexposure Prophylaxis In The US, 2018, Health Affairs, April 2023. The study, authored by CDC staff, crystalizes findings as follows:
"In total, fewer than 4 percent of US adults with PrEP indications had uncovered costs for PrEP clinical care only, and fewer than 1 percent had uncovered costs for both PrEP medication and clinical care. Total annual uncovered costs were approximately $102 million in 2018."