Challenges and opportunities with ICD-10-CM/PCS: implications for surgical research involving administrative data.

Received February 5, 2013; Revised April 4, 2013; Accept From the Departments of Surgery (Utter) and In (Romano), and the Center for Healthcare Policy and Cox, Romano), University of California, Davis Medic mento, CA and US Department of Health and Human for Healthcare Research and Quality, Rockville, MD (Ow Correspondence address: Garth H Utter, MD MSc, Surgery, University of California, Davis Medical Cente Blvd, Rm 4206 MH, Sacramento, CA 95817. email: ga ucdavis.edu