Classification of Diseases, Functioning, and Disability

What to know

  • The International Classification of Diseases, Tenth Revision (ICD-10) is a worldwide system.
  • ICD-10 is used to code and classify disease, injury, and death information.
  • It is made up of several coding systems that standardize medical data.
Image of paper and magnifying glass on blue marbled background. Says International Classification of Diseases.

Classification systems

In the United States, there are two related ICD classifications of diseases with similar titles: ICD and ICD-CM. A third classification, ICF, is related to functioning and disability.

  • The International Classification of Diseases (ICD) is a standardized system used to code causes of death (mortality) data from death certificates.
  • The International Classification of Diseases, Clinical Modification (ICD-CM) is a standardized system used to code diseases and medical conditions (morbidity) data.
  • The International Classification of Functioning, Disability, and Health (ICF) provides standardized information on how disability, health, and environment affect a person's ability to function.

Resource‎

Find the National Center for Health Statistics ICD-10-CM Browser Tool.

National Center for Health Statistics

The National Center for Health Statistics (NCHS) serves as the World Health Organization Collaborating Center for the Family of International Classifications in the United States of America (USACC). NCHS coordinates the use, interpretation, and revision of ICD in the United States.

USACC also is responsible for the WHO Family of International Classifications, including ICF, in the United States.