Centers for Disease
Control and Prevention
Division of Cancer
Prevention and Control
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Atlanta, GA 30341
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United States Cancer Statistics (USCS)
Technical Notes: Data Sources: Mortality Data
How Mortality Data Are Collected
Rules for coding the cause(s) of death may require modification when evidence suggests that such modifications will improve the quality of cause-of-death data. Before 1999, such modifications were made only when a new revision of the ICD was implemented. A process for updating the ICD that allows for mid-revision changes was introduced with ICD-10. Minor changes may be implemented every year, while major changes may be implemented every three years. Updates to the ICD in 2010 do not have a significant impact on the data on this Web site.
The ICD not only details disease classification but also provides definitions, tabulation lists, the format of the death certificate, and the rules for coding cause of death. Cause-of-death data presented on this Web site were coded by procedures outlined in annual issues of the NCHS Instruction Manuals.
Underlying Cause of Death
Cancer Site Groups
Death Rates for Kaposi Sarcoma
Mortality Data Submission Process
1World Health Organization. International Statistical Classification of Diseases and Related Health Problems, Tenth Revision. Geneva, Switzerland: World Health Organization; 1992.
2Chamblee RF, Evans MC. TRANSAX: the NCHS system for producing multiple cause-of-death statistics, 196878. Vital and Health Statistics, Series 1 1986;(20):183.
3Israel RA, Rosenberg HM, Curtin LR. Analytical potential for multiple cause-of-death data. American Journal of Epidemiology 1986;124(2):161179.
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Page last reviewed: August 20, 2014
Page last updated: August 20, 2014
Content source: Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion