What is classification of disease?
classification of disease is Arrangement of diseases into groups having common characteristics. Useful in efforts to achieve standardization in the methods of presenting mortality and morbidity data from different sources and, therefore, in comparability. May include a systematic numerical notation for each disease entry. Examples include the International Statistical Classification of Diseases, Injuries and Causes of Death.
source: A GLOSSARY OF TERMS FOR COMMUNITY HEALTH CARE AND SERVICES FOR OLDER PERSONS. World Health Organization, 2004.