See which payers rank highest in 6 billing categories. The AMA evaluated these payers on metrics in the following six categories: • Payment timelines • Accuracy • Transparency • Claim edit sources • Denials • Improvements of claims cycle workflow. The overall goal in the report card evaluation, which the AMA published in July, was to "improve the overall efficiency of billing and collections, thereby reducing the cost to both physician practices and payers," the report says. Note: To review the data and all of the specific metrics, visit www.ama-assn.org/ama1/pub/upload/mm/368/2009-nhirc-long.pdf.