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International Classification of Diseases, Ninth Revision, Clinical Modification, Sixth Edition

Guidelines
Official Guidelines for coding are included on the CD-ROM. They have been approved by the Cooperating Parties and the Editorial Advisory Board for Coding Clinic for the ICD-9-CM.

Note:  These guidelines were updated December 15, 2003

bulletICD-9-CM Guidelines. 54 pp.
View/download PDF 452 KB

Conversion table
A conversion table for diagnostic and procedural code changes between 1986-2004 is provided to assist users in data retrival. The table shows the date the new code became effective and its previously assigned code equivalent.  New codes effective October 1, 2004, are shown in bold.

Note: this table was updated on 5/20/2004.

bulletICD-9-CM Code Conversion Table. 43 pp. (10/1/2004)
View/download PDF 147 KB

Addenda
The annual update to ICD-9-CM is provided as addenda changes to the index and tabular list of ICD-9-CM, effective October 1, 2004.  Additions are marked with bold, revisions are marked with underlining, while deletions are marked with strikeout.

Note: these addenda were updated on 5/20/2004.

bulletICD-9-CM Index Addenda. 68 pp. (10/1/2004)
View/download PDF 942 KB

bulletICD-9-CM Tabular Addenda. 40 pp. (10/1/2004)
View/download PDF 225 KB

The following file contains corrections to both the ICD-9-CM index and ICD-9-CM tabular addenda lists.  This file, along with the index and tabular addenda files, represents the full addenda to ICD-9-CM effective October 1, 2004.
Note: this errata file was updated on July 15, 2004.
bulletErrata for ICD-9-CM Addenda.
2 pp.
(10/1/2004)
View/download PDF 27 KB


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This page last reviewed July 16, 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