WASHINGTON, D.C. (December 23, 2015)—The initial HME Audit Key test survey from earlier this year tracked audits received from October 2014 through June 2015. One of the preliminary findings was suppliers appealed 80 percent of MAC prepayment denials for respiratory products, and 92 percent were overturned. While based on a small test pool of participants, other findings from the survey indicate that: