Professionals rely on this publication to guide them through successful ICD-10-CM documentation improvement. Identify Detailed Documentation Requirements for a Successful Transition to ICD-10-CM Compliance The ICD-10-CM documentation requirements are essential to ICD-10-CM compliance. This collection of ICD-10-CM best practices provides ICD-9-CM to ICD-10-CM comparison and ICD-10-CM analysis tools to assist in ICD-10-CM documentation improvement.