2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Circulatory System 390-459 > Acute Rheumatic Fever 390-392 > 2008 ICD-9-CM Diagnosis 391 Rheumatic fever with heart involvement  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 391 can be accessed here. The most important manifestation of and sequel to rheumatic fever, i.e., any cardiac involvement in rheumatic fever. (Dorland, 27th ed) 391 is a non-specific code that cannot be used to specify a diagnosis ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog. 391 excludes: chronic heart diseases of rheumatic origin (-398.9) unless rheumatic fever is also present or there is evidence of recrudescence or activity of the rheumatic process