AHA Coding Clinic® for ICD-9 - 2003 Fourth Quarter
Conversion Table of New ICD-9-CM Codes
Diagnosis Codes Current Code(s) Effective Previous Code(s) Assignment October 1 Assignment 005.81 1995 005.8 005.89 1995 005.8 007.4 1997 007.8 007.5 2000 007.8 008.00 - 008.09 1992 008.0 008.43 - 008.47 1992 008.49 008.61 - 008.69 1992 008.6 031.2 1997 031.8 038.10 - 038.11 1997 038.1 038.19 1997 038.1 040.82 2002 040.89 041.00 - 041.03 1992 041.0 041.04 1992 041.0 041.04 # 1997 041.04 #Code title...
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Article Overview
This article is a conversion table for ICD-9-CM diagnosis and procedure coding changes over time. It helps coding professionals, auditors, and documentation staff compare current and prior assignments, understand code-set transitions, and review historical crosswalks for diagnosis and procedure classifications.
Why This Topic Matters
Historical code conversion tables are useful for researching legacy records, validating older claims, and understanding how coding structure changed across revisions. They support accurate retrospective analysis and code mapping work without requiring readers to infer older assignments from memory.
Article Sections
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Diagnosis Codes
A tabular crosswalk of diagnosis code changes over multiple effective dates. It presents historical assignments and code-set transitions for a wide range of ICD-9-CM diagnosis categories.
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Procedure Codes
A tabular crosswalk of procedure code changes over multiple effective dates. It presents historical assignments and code-set transitions for a wide range of ICD-9-CM procedure categories.
What You Will Learn
- How the article organizes ICD-9-CM diagnosis conversion entries
- How the article organizes ICD-9-CM procedure conversion entries
- Which historical code assignments are documented across revision years
- How legacy code references are grouped for retrospective lookup
Who Should Read This
- Medical coders
- Coding auditors
- Compliance staff
- Health information management professionals
- Revenue cycle teams
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