Linking acknowledgement to action: closing the loop on non-urgent, clinically significant test results in the electronic health record.

Failure to follow-up on test results in ambulatory practice is a common, serious safety concern. This study examined the use of a results manager tool by primary care physicians in Partners Healthcare in Boston. Although the vast majority of providers used the tool, many did not find that it was helpful for any specific purpose and only 64% were satisfied with the tool.