AHA Coding Clinic® for ICD-9 - 1991 Fourth Quarter; New/Revised Codes
Viral Hepatitis
Note:As of October 1, 2004 new codes were created to report unspecified viral hepatitis C without hepatic coma (070.70) and unspecified viral hepatitis C with hepatic coma (070.71). "Viral hepatitis" refers to a collection of viral diseases which affect the liver causing similar symptoms and signs, but with differing degrees of severity, epidemiologic patterns, and chronic manifestations. Traditionally, viral hepatitis has been classified into two major types. Hepatitis A or "infectious hepatitis" has been found to be caused by the Hepatitis A Virus, and is a generally milder disease with a fecal-oral route of transmission. It is...
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Article Overview
This article explains the major categories of viral hepatitis and describes how evolving clinical understanding affected ICD-9-CM viral hepatitis reporting. It is relevant to coders, CDI staff, and healthcare professionals who need background on hepatitis types, related terminology, and the structure of the code updates referenced in the article.
Why This Topic Matters
Accurate hepatitis documentation and classification support correct code selection and better communication of disease type, severity, and related clinical context. The article helps readers understand the broader coding framework behind viral hepatitis reporting changes.
Article Sections
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Note
A brief update about newly created hepatitis C reporting codes and the context for the article.
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Overview of Viral Hepatitis
General background on viral hepatitis as a group of liver diseases and how major types are distinguished.
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Hepatitis A and Hepatitis B
Discussion of the traditional major hepatitis categories and their broad clinical and transmission patterns.
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Non-A, Non-B Hepatitis and Hepatitis C
Background on the recognition of hepatitis C and its relationship to earlier non-A, non-B terminology.
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Hepatitis E and Hepatitis Delta
Summary of other recognized hepatitis viruses and their general clinical significance.
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ICD-9-CM Fifth-Digit Codes for Viral Hepatitis
An outline of the added fifth-digit structure used for viral hepatitis reporting in ICD-9-CM.
What You Will Learn
- How viral hepatitis is broadly classified
- How hepatitis types differ in general clinical presentation and transmission patterns
- Why hepatitis C changed the understanding of parenteral non-A, non-B hepatitis
- What kinds of viral hepatitis were recognized in the article’s coding context
- How ICD-9-CM viral hepatitis reporting was organized at a high level
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement professionals
- Physicians and other clinicians
- Health information management staff
Codes Discussed
Code Ranges Discussed
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