The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) is based on the World Health Organization's Tenth Revision, International Classification of Diseases (ICD-10). The National Center for Health Statistics (NCHS) and the Centers for Medicare and Medicaid Services (CMS) are the U.S. governmental agencies responsible for overseeing all changes and modifications to the ICD-10-CM.
ICD-10-CM is the official replacement for volumes 1 and 2 of ICD-9-CM as of October 1, 2015.
ICD-10-CM can be used to code and classify morbidity data from the inpatient and outpatient records, physician offices, and most National Center for Health Statistics (NCHS) surveys.
The ICD-10-CM consists of:
The Metathesaurus also includes two General Equivalence Mappings (GEMs):
ICD-10-CM can be used in a variety of clinical and health care applications for reporting, morbidity statistics, and billing.
ICD-10-CM is updated annually in July.
Metathesaurus Update Frequency
ICD-10-CM is updated annually in the Metathesaurus.