AHA Coding Clinic® for ICD-9 - 2008 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES
Autoimmune Hepatitis
Effective October 1, 2008, code 571.42, Autoimmune hepatitis, has been created for this condition that had been synonymous with chronic active hepatitis. Prior to this change, this condition was assigned to code 571.49, Chronic hepatitis, Other. Recent literature shows that with the use of new viral serologic tests, hepatologists are able to differentiate chronic viral hepatitis from other types of liver disease, including autoimmune hepatitis. Autoimmune hepatitis is characterized by inflammation of the liver and liver damage that is caused by an attack of the patient’s immune system on their own liver. It has...
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Article Overview
This premium article covers an ICD-9-CM coding update for autoimmune hepatitis, including where the diagnosis fits within the chronic liver disease and chronic hepatitis categories. It also discusses the clinical background of autoimmune hepatitis, how it may overlap with other liver diseases, and a transplant-related coding example involving liver disease diagnoses and a procedure code. The content is relevant to coding professionals, CDI staff, auditors, and clinicians who work with liver disease documentation and diagnosis coding.
Why This Topic Matters
Autoimmune hepatitis was assigned a distinct diagnosis code effective October 1, 2008, so accurate indexing and diagnosis assignment depend on understanding the update and the surrounding liver disease categories. The article also helps readers recognize the broader documentation context in which autoimmune hepatitis may appear, including coexistence with other hepatic and autoimmune conditions.
Article Sections
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Clinical overview and diagnostic context
Summarizes the condition’s place within liver disease coding and describes the general clinical background, diagnostic testing, associated conditions, and treatment context.
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ICD-9-CM coding update and example
Presents the coding update for autoimmune hepatitis and includes a brief transplant-related example that references diagnosis and procedure assignment.
What You Will Learn
- How the article frames autoimmune hepatitis within liver disease coding categories
- What clinical context is provided for autoimmune hepatitis documentation
- What type of coding update and example scenario the article discusses
- How the article connects autoimmune hepatitis to a liver transplant admission example
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation improvement staff
- Hepatology clinicians
- Revenue cycle professionals
Codes Discussed
Code Ranges Discussed
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