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N V S S National Vital Statistics System logoMortality Data from the
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International Classification of Diseases, Tenth Revision
(ICD-10)
The International Classification of Diseases (ICD) is designed to
promote international comparability in the collection, processing,
classification, and presentation of mortality statistics. This
includes providing a format for reporting causes of death on the death
certificate. The reported conditions are then translated into medical
codes through use of the classification structure and the selection
and modification rules contained in the applicable revision of the
ICD, published by the World Health Organization (WHO). These coding
rules improve the usefulness of mortality statistics by giving
preference to certain categories, by consolidating conditions, and by
systematically selecting a single cause of death from a reported
sequence of conditions. The single selected cause for tabulation is
called the underlying cause of death, and the other reported causes
are the nonunderlying causes of death. The combination of underlying
and nonunderlying causes is the multiple causes of death.
The ICD has been revised periodically to incorporate changes in the
medical field. The Tenth Revision (ICD-10) differs from the Ninth
Revision (ICD-9) in several ways although the overall content is
similar: First, ICD-10 is printed in a three-volume set compared with
ICD-9's two-volume set. Second, ICD-10 has alphanumeric categories
rather than numeric categories. Third, some chapters have been
rearranged, some titles have changed, and conditions have been
regrouped. Fourth, ICD-10 has almost twice as many categories as
ICD-9. Fifth, some fairly minor changes have been made in the coding
rules for mortality.
There is related information, including links to an online version of
ICD-10, at the World Health Organization's site.
Both hardcopy and electronic versions of the three-volume set of
ICD-10 are available. The contact in the U.S. is:
WHO Publications Center USA
49 Sheridan Avenue
Albany, NY 12210
Tel: 1-518-436-9686
Fax: 1-518-436-7433
The ICD-10 consists of:
bullet graphictabular lists containing cause-of-death titles and codes
(Volume 1);
bullet graphicinclusion and exclusion terms for cause-of-death titles
(Volume 1);
bullet graphican alphabetical index to diseases and nature of injury,
external causes of injury, table of drugs and chemicals (Volume 3),
and
bullet graphicdescription, guidelines, and coding rules (Volume 2).
The process of converting from ICD-9 to ICD-10 affects many aspects of
the mortality data system including revision of instruction manuals,
medical software, and analyses. The most detailed listing of
underlying causes of death used in the United States, the Each Cause
List (ICD-10), is available on the CDC/FTP server.
Related documents:
bullet graphicInternational Classification of Diseases - 10th Revision
(ICD-10 brochure)
View/download PDF 209 KB
bullet graphicA Guide to State Implementation of ICD-10 for Mortality,
Part I
bullet graphicA Guide to State Implementation of ICD-10 for Mortality,
Part II: Applying Comparability Ratios (51 pages)
View/download WordPerfect document 1.3 MB
View/download PDF 374 KB
bullet graphicData tables
bullet graphicData using ICD-10
bullet graphicSpecial Analysis Tables of 1979-98 Data Using an 113
Cause List
bullet graphicDeaths
bullet graphicDeath Rates
bullet graphicAge-adjusted Death Rates
A related classification, the International Classification of
Diseases, Clinical Modification (ICD-10-CM), is currently under
development. It is intended as a replacement for ICD-9-CM, Volumes 1
and 2 (diagnosis).
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This page last reviewed October 05, 2004
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U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES
Centers for Disease Control and Prevention
National Center for Health Statistics
Hyattsville, MD
20782
(301) 458-4000
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