I stumbled upon this chart below from AAPC, that provides education and professional certification to physician-based medical coders and to elevate the standards of medical coding (by clicking on this chart, the chart will open in a new tab of your current window and you can then click the image again from the new tab to view a larger and clearer image).
As Malaysia had already implemented ICD-10 by 1 January 1999, I felt like doing this post based on the chart above showing the things that changed since the transition period in 1998 from ICD-9 till we switched to using ICD-10, as you can view from the presentation below (by clicking on this presentation, the presentation will open in a new tab of your current window and you can then click the image again from the new tab to view a larger and clearer image).