424.90 Endocarditis, valve unspecified, unspecified cause
Endocarditis (chronic):
NOS
nonbacterial thrombotic
Valvular:
incompetence of unspecified valve,unspecified cause
insufficiency of unspecified valve,unspecified cause
regurgitation of unspecified valve,unspecified cause
stenosis of unspecified valve,unspecified cause
Valvulitis (chronic)