Figure 6-39-40 Mistake-Proofing the Design of Health Care Processes - Figure 6.39. Color-coded medications with dosage information Return to DocumentFigure 6.40. The color scheme makes differentiation easily understood Return to Document Current as of May 2007 Internet Citation: Figure 6-39-40: Mistake-Proofing the Design of Health Care Processes -. May 2007. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/mistakeproof/mistakefig6-39-40.html