Free ICD-10 training is available through the World Health Organization and Codebusters websites. The designation ICD-10 classifies mortality data, and ICD-10-CM replaced ICD-9-CM as of October 1, 2015, notes CDC.gov.
The WHO's ICD-10 training tool can be used individually or in a classroom setting. The course provides short summaries of each chapter as well as an overview of ICD-10 coding and makes learning the codes less confusing by focusing on the codes themselves instead of medical lessons. A built-in course planner allows users to obtain detailed training or skip to more generalized information depending on how familiar they already are with ICD-10. Using the tool requires Java functionality, and cookies must be enabled on the browser, notes WHO.int.
Codebuster's ICD-10 training course is structured like a multiple-choice exam; an explanation of the answer and why that particular code is correct follows each question. It covers both primary and secondary diagnosis codes; however, secondary codes do not have their own chapters. Users need access to a list of ICD-10-CM codes while taking the course, and the site provides a link to CDC.gov, where users can download coding books. Codebusters also provides an ICD-10 drug index, external causes list, neoplasm index and both ICD-10-CM and ICD-10-PCS coding guidelines.