2012 ICD-9-CM Diagnosis Code 421.0
Acute and subacute bacterial endocarditis
- infection occuring when bacteria in the bloodstream (bacteremia) adhere to abnormal heart valves or other damaged heart tissue; characterized by growths, known as vegetations, on the valves or other areas of the heart which can break off, travel to other parts of the body, and cause serious complications; a common causative bacteria is staphylococcus, but any organism entering the bloodstream from any site of prior infection can result in the infection.
- Subacute inflammation of the endocardium. Streptococcus viridans is the usual etiologic agent of SBE. The distinction between "acute" and "subacute" endocarditis has traditionally been made based on the pathogenic organism and clinical presentation.
- Short description: Ac/subac bact endocard.
- ICD-9-CM 421.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2012 version of ICD-9-CM 421.0.
- More recent version(s) of ICD-9-CM 421.0: 2013.
421.0 Alternative Terminology
Applies To
Use Additional 
, Staphylococcus Convert 421.0 to ICD-10-CM
ICD-9-CM Volume 2 Index entries containing back-references to 421.0:
brain 
ruptured (see also Hemorrhage, subarachnoid) 
