397 Diseases of other endocardial structures convert 397 to ICD-10
397.0 Diseases of tricuspid valve convert 397.0 to ICD-10
397.1 Rheumatic diseases of pulmonary valve convert 397.1 to ICD-10
397.9 Rheumatic diseases of endocardium, valve unspecified convert 397.9 to ICD-10