Appendix C: Abstraction Tools Health Care Efficiency Measures: Identification, Categorization, and Evaluation [ D] Select for Text Description [ D] Select for Text Description Current as of April 2008 Internet Citation: Appendix C: Abstraction Tools: Health Care Efficiency Measures: Identification, Categorization, and Evaluation. April 2008. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/efficiency/hcemappc.html