AHA Coding Clinic® for ICD-9 - 2002 Fourth Quarter
Conversion Table of New ICD-9-CM Codes
The National Center for Health Statistics (NCHS) and the Centers for Medicare & Medicaid Services (CMS) have issued new diagnosis and procedure codes for the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) every year since 1986. New code assignments are the result of year-long efforts of the ICD-9-CM Coordination and Maintenance Committee, which is sponsored jointly by NCHS and CMS. The effective date for new codes is the same every year, October 1.
The Conversion Table for new ICD-9-CM Codes is provided to assist users in data retrieval. For each new code the table shows the date...
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Note: The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.
Article Overview
This article presents a historical conversion table for ICD-9-CM diagnosis and procedure codes issued across many annual updates. It is intended to help users understand how code assignments changed over time and to support data retrieval, record comparison, and crosswalking between current and previous code assignments. The content is most relevant to coders, auditors, health information managers, and analysts working with ICD-9-CM legacy data.
Why This Topic Matters
Legacy ICD-9-CM records often need to be interpreted, compared, or mapped across code revisions. This table provides the broad annual context for those changes in a way that supports retrospective coding, reporting, and data analysis.
Article Sections
Overview
Introduces the source and purpose of the conversion table, including the organizations involved and the annual timing of updates.
Diagnosis Codes
Lists diagnosis code assignments and their prior equivalents across multiple revision years.
Procedure Codes
Lists procedure code assignments and their prior equivalents across multiple revision years.
What You Will Learn
How the article is organized as a conversion reference for ICD-9-CM updates.
What kinds of historical code assignment changes the table documents.
Which broad ICD-9-CM diagnosis and procedure code groups are covered.
How the table supports retrospective data retrieval and code crosswalking.
Who Should Read This
Medical coders
Health information management professionals
Coding auditors
Clinical data analysts
Revenue cycle staff working with legacy ICD-9-CM data
Codes Discussed
ICD-9-CM: 005.81
ICD-9-CM: 005.89
ICD-9-CM: 007.41
ICD-9-CM: 007.5
ICD-9-CM: 008.00
ICD-9-CM: 008.09
ICD-9-CM: 008.43
ICD-9-CM: 008.47
ICD-9-CM: 008.61
ICD-9-CM: 008.69
ICD-9-CM: 031.21
ICD-9-CM: 038.10
ICD-9-CM: 038.11
ICD-9-CM: 038.19
ICD-9-CM: 040.82
ICD-9-CM: 041.00
ICD-9-CM: 041.03
ICD-9-CM: 041.04
ICD-9-CM: 041.05
ICD-9-CM: 041.09
ICD-9-CM: 041.10
ICD-9-CM: 041.19
ICD-9-CM: 041.81
ICD-9-CM: 041.85
ICD-9-CM: 041.86
ICD-9-CM: 041.89
ICD-9-CM: 042
ICD-9-CM: 042.0
ICD-9-CM: 042.9
ICD-9-CM: 043.0
ICD-9-CM: 043.3
ICD-9-CM: 043.9
ICD-9-CM: 044.0
ICD-9-CM: 044.9
ICD-9-CM: 066.42
ICD-9-CM: 070.20
ICD-9-CM: 070.21
ICD-9-CM: 070.22
ICD-9-CM: 070.23
ICD-9-CM: 070.30
ICD-9-CM: 070.31
ICD-9-CM: 070.32
ICD-9-CM: 070.33
ICD-9-CM: 070.41
ICD-9-CM: 070.43
ICD-9-CM: 070.44
ICD-9-CM: 070.49
ICD-9-CM: 070.51
ICD-9-CM: 070.53
ICD-9-CM: 070.54
ICD-9-CM: 070.59
ICD-9-CM: 077.98
ICD-9-CM: 077.99
ICD-9-CM: 078.10
ICD-9-CM: 078.11
ICD-9-CM: 078.19
ICD-9-CM: 078.88
ICD-9-CM: 079.41
ICD-9-CM: 079.50
ICD-9-CM: 079.53
ICD-9-CM: 079.59
ICD-9-CM: 079.61
ICD-9-CM: 079.81
ICD-9-CM: 079.88
ICD-9-CM: 079.89
ICD-9-CM: 079.98
ICD-9-CM: 079.99
ICD-9-CM: 082.40
ICD-9-CM: 082.41
ICD-9-CM: 082.49
ICD-9-CM: 088.81
ICD-9-CM: 088.82
ICD-9-CM: 088.89
ICD-9-CM: 099.40
ICD-9-CM: 099.49
ICD-9-CM: 099.50
ICD-9-CM: 099.59
ICD-9-CM: 112.84
ICD-9-CM: 112.85
ICD-9-CM: 114.4
ICD-9-CM: 114.5
ICD-9-CM: 176.0
ICD-9-CM: 176.9
Code Ranges Discussed
ICD-9-CM: 008.00-008.09
ICD-9-CM: 008.43-008.47
ICD-9-CM: 008.61-008.69
ICD-9-CM: 038.10-038.11
ICD-9-CM: 041.00-041.03
ICD-9-CM: 041.10-041.19
ICD-9-CM: 041.81-041.85
ICD-9-CM: 042.0-042.9
ICD-9-CM: 043.0-043.9
ICD-9-CM: 044.0-044.9
ICD-9-CM: 070.20-070.21
ICD-9-CM: 070.30-070.31
ICD-9-CM: 070.41-070.43
ICD-9-CM: 070.51-070.53
ICD-9-CM: 077.98-077.99
ICD-9-CM: 078.10-078.11
ICD-9-CM: 079.50-079.53
ICD-9-CM: 079.88-079.89
ICD-9-CM: 079.98-079.99
ICD-9-CM: 082.40-082.41
ICD-9-CM: 099.40-099.49
ICD-9-CM: 099.50-099.59
ICD-9-CM: 112.84-112.85
ICD-9-CM: 114.4-114.5
ICD-9-CM: 176.0-176.9
ICD-9-CM: 038.0-038.9
ICD-9-CM: 173.0-173.9
ICD-9-CM: 430-434
ICD-9-CM: 37.80-37.87
ICD-9-CM: 37.70-37.74
ICD-9-CM: 36.00-36.03
ICD-9-CM: 81.00-81.08
ICD-9-CM: 81.30-81.39
ICD-9-CM: 88.91-88.97
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