The table below lists the top 25 hospital-based outreach labs as measured by Medicare Part B CLFS and Physician Fee Schedule anatomic pathology test payments in 2019. Overall, the top 25 hospital labs had $169 million in Part B payments, which was down approximately 8% from 2018 due to the PAMA-related CLFS rate cuts.

Top 25 Fastest-Growing Labs by Medicare Part B Volume of Services