AHA Coding Clinic® for ICD-9 - 2013 Issue 4
Conversion Table of New ICD-9-CM Codes, October 2013
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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Article Overview
This article provides a large conversion table for ICD-9-CM diagnosis and procedure code updates issued for October 2013. It is designed for coding, compliance, reporting, and data retrieval users who need to trace newer ICD-9-CM assignments back to prior code equivalents. The content primarily consists of organized crosswalk tables from the National Center for Health Statistics and CMS, covering diagnosis and procedure code changes across many years.
Why This Topic Matters
It helps readers understand how ICD-9-CM code updates map to earlier versions, which is important for historical claims review, data analysis, and longitudinal reporting.
Article Sections
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Diagnosis Codes
A conversion table for ICD-9-CM diagnosis code updates, including effective years and prior-code equivalents. The section is organized as a reference crosswalk for historical data retrieval.
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Procedure Codes
A conversion table for ICD-9-CM procedure code updates, including effective years and prior-code equivalents. The section serves as a historical mapping reference for procedure reporting and data lookup.
What You Will Learn
- How the article organizes ICD-9-CM diagnosis and procedure conversion information
- What types of crosswalk information are included for updated codes
- Which organizations are associated with the code update process
- How the table supports historical data retrieval and code mapping
Who Should Read This
- Medical coders
- Coding auditors
- Health information management professionals
- Clinical documentation staff
- Data analysts using ICD-9-CM historical records
Codes Discussed
Code Ranges Discussed
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