On March 23, CMS is hosting a National Provider Conference Call on the ICD-10-CM/PCS coding system. Topics to be covered include: the requirement use ICD-10-CM/PCS codes for services provided on or after October 1, 2013; a comparison of the ICD-9-CM and ICD-10-CM; common ICD-10-CM myths and misperceptions; and the impact of ICD-10-CM on medical record documentation.