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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