ICD 10 CM Codes

I33.9 Acute and subacute endocarditis, unspecified
Billable Code  is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
GEMS
ICD-10-CM I33.9 converts approximately to:ICD-9-CM
2018 ICD-9-CM 421.9 Acute endocarditis, unspecified
Alternate Description
Acute endocarditis NOS
Acute myoendocarditis NOS
Acute periendocarditis NOS
Subacute endocarditis NOS
Subacute myoendocarditis NOS
Subacute periendocarditis NOS
ICD-10-CM Index Entry
ICD-10-CM Index entries containing back-references to ICD-10-CM '.I33.9.'
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); acute or subacute
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); aortic (heart) (nonrheumatic) (valve); acute or subacute
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea); nonrheumatic; acute or subacute
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); pulmonary (chronic) (heart) (valve); acute or subacute
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); toxic
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular); tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea); nonrheumatic; acute or subacute