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

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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 created on 08/06/2008 and are effective as of 10/01/2008.

ICD-9-CM Guidelines. 119 pp.

Conversion table
A conversion table for diagnostic and procedural code changes between 1986-2009 is provided to assist users in data retrieval. The table shows the date the new code became effective and its previously assigned code equivalent.  New codes effective October 1, 2009, are shown in bold.

Note: This Conversion table was updated on 06/03/2009.

ICD-9-CM Code Conversion Table. 64 pp. (10/01/2009)

Addenda
The annual update to ICD-9-CM is provided as addenda changes to the index and tabular list of ICD-9-CM.  In the index, additions are marked with bold and underlining, revisions are marked with bold, underlining and italic, while deletions are marked with bold and strikeout.

2008 Addenda

The addenda below were effective October 1, 2008.

Note: These addenda were updated on 05/30/2008.

ICD-9-CM Index Addenda. 52 pp. (10/01/2008)

ICD-9-CM Tabular Addenda. 72 pp. (10/01/2008)

ICD-9-CM Tabular 5th digits.  36 pp.  (10/01/2008)

Note: These addenda were created on 07/18/2008.

ICD-9-CM Index Addenda Errata. 1 pp. (10/01/2008)

ICD-9-CM Tabular Addenda Errata. 1 pp. (10/01/2008)

2009 Addenda

As part of the 2009 Addenda for ICD-9-CM, an expansion has

been made changing the three digit code 488 to a category, with

two new codes added:  488.0, Influenza due to identified avian

influenza virus, and 488.1, Influenza due to identified novel H1N1

influenza virus.  These codes have been created to provide data

capture for the novel H1N1 influenza virus (swine flu virus), which

was first identified in April, after the March 2009 ICD-9-CM

Coordination and Maintenance Committee meeting.

The addenda below are effective October 1, 2009.

Note: These addenda were created on 06/03/2009.

ICD-9-CM Index Addenda. 48 pp. (10/01/2009)

ICD-9-CM Tabular Addenda. 53 pp. (10/01/2009)

Note: These errata were created on 07/20/2009.

ICD-9-CM Index Addenda Errata. 2 pp. (10/01/2009)

ICD-9-CM Tabular Addenda Errata. 1 pp. (10/01/2009)

Classification of Diseases

This page last reviewed July 27, 2009