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2008 ICD-9-CM Diagnosis Code 424
Other diseases of endocardium
2008 ICD-9-CM Diagnosis Code 424.1
Aortic valve disorders
  • condition in which there is a deviation from or interruption of the normal structure or function of the valve between the left ventricle and the ascending aorta.
2008 ICD-9-CM Diagnosis Code 424.2
Tricuspid valve disorders specified as nonrheumatic
2008 ICD-9-CM Diagnosis Code 424.3
Pulmonary valve disorders
  • The backflow of blood from the pulmonary artery into the right ventricle, owing to insufficiency of the pulmonic semilunar valve.
  • Dysfunction of the pulmonary valve, with incomplete valve closure resulting in valvular regurgitation.
  • Narrowing of the opening between the pulmonary artery and the right ventricle, usually at the level of the valve leaflets.
2008 ICD-9-CM Diagnosis Code 424.9
Endocarditis valve unspecified
2008 ICD-9-CM Diagnosis Code 424.90
Endocarditis valve unspecified cause
  • exudative and proliferative inflammatory alterations of the endocardium, characterized by the presence of vegetations on the surface of the endocardium or in the endocardium itself, and most commonly involving a heart valve, but sometimes affecting the inner lining of the cardiac chambers or the endocardium elsewhere; may occur as a primary disorder or as a complication of or in association with another disease.
  • Inflammation of the endocardium.
2008 ICD-9-CM Diagnosis Code 424.91
Endocarditis in diseases classified elsewhere
2008 ICD-9-CM Diagnosis Code 424.99
Other endocarditis valve unspecified