The sensitivity of adverse event cost estimates to diagnostic coding error.
Wardle G, Wodchis WP, Laporte A, et al. The sensitivity of adverse event cost estimates to diagnostic coding error. Health Serv Res. 2012;47(3 Pt 1):984-1007. doi:10.1111/j.1475-6773.2011.01340.x.
This study suggests that diagnostic coding error may significantly underestimate the costs associated with adverse events.