ICD-10 is the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD), a medical classification list by the World Health Organization. It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury of diseases. The code set allows more than 14,000 different codes and permits the tracking of many new diagnoses.

The U.S. has used ICD-10-CM (Clinical Modification) since October, 2015. This national variant of ICD-10 was provided by the Centers for...