AHA Coding Clinic® for ICD-9 - 2009 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Inclusion Body Myositis, Other Myopathies
Effective October 1, 2009, code 359.71, Inflammatory and immune myopathies, has been created to identify inclusion body myositis (IBM). IBM is an inflammatory myopathy which is not due to some other identifiable disease and is characterized by chronic muscle inflammation accompanied by muscle weakness. Code 359.79 identifies inflammatory myopathy that is not otherwise specified. 359.7 Inflammatory and immune myopathies, NEC New code 359.71 Inclusion body myositis IBM New code 359.79 Other inflammatory and immune myopathies, NEC Inflammatory myopathy NOS ...
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Article Overview
This short coding update covers an ICD-9-CM change effective October 1, 2009. It is relevant to coders and billing staff working with neuromuscular and inflammatory myopathy diagnoses, and it summarizes the new and revised diagnosis categories introduced in the update.
Why This Topic Matters
Understanding this update helps ensure that inflammatory and immune myopathy diagnoses are placed into the correct ICD-9-CM diagnosis category after the effective date of the change.
What You Will Learn
- What ICD-9-CM diagnosis categories were updated in this article
- Which myopathy-related categories were newly identified
- How the article frames the 2009 effective-date change at a high level
- Which diagnosis groupings are associated with inflammatory and immune myopathies
Who Should Read This
- Medical coders
- Coding auditors
- Billing staff
- Revenue cycle professionals
- Clinical documentation staff
Codes Discussed
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