AHA Coding Clinic® for ICD-9 - 1992 First Quarter
Classification of AIDS
ICD-9-CM and CDC Case Definition Note: As of October 1, 1994, AIDS/HIV is assigned to category 042 and is coded in accordance with the HIV coding guidelines outlined in Coding Clinic, Fourth Quarter, 1994. The International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) is a statistical classification used to categorize patient encounters within the U.S. health care system. Volumes 1 and 2, the Diagnostic Classification, provide a Tabular List and Alphabetic Index of diseases, injuries, and signs and symptoms (main classification), factors influencing health status and contact with health service (V-codes), and external causes of morbidity and...
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Article Overview
This article provides background on the relationship between ICD-9-CM diagnosis classification and CDC AIDS case definitions. It is useful for coders, CDI professionals, compliance staff, and public health stakeholders who need to understand how coding policy, surveillance criteria, and annual ICD-9-CM updates intersect in HIV/AIDS reporting.
Why This Topic Matters
AIDS and HIV-related classification can differ depending on whether the context is clinical coding or CDC surveillance. Understanding that distinction helps organizations apply the correct framework for medical record coding, reporting, and interpretation of policy updates.
Article Sections
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ICD-9-CM and CDC Case Definition
Introduces the article’s focus on AIDS/HIV classification in ICD-9-CM and the CDC surveillance framework. It also summarizes the broader relationship between diagnostic coding, classification updates, and case reporting.
What You Will Learn
- How ICD-9-CM classification is discussed in relation to AIDS and HIV
- How CDC case definitions differ from clinical diagnosis for surveillance purposes
- Why annual updates and committee actions matter for classification changes
- How changes in public health case definitions may influence coding practice over time
Who Should Read This
- Medical coders
- Clinical documentation integrity specialists
- Compliance professionals
- Health information management staff
- Public health reporting personnel
Codes Discussed
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