ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

I33.9 – Acute and subacute endocarditis, unspecified

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Applicable To

Acute endocarditis NOS

Acute myoendocarditis NOS

Acute periendocarditis NOS

Subacute endocarditis NOS

Subacute myoendocarditis NOS

Subacute periendocarditis NOS

GEM Conversion to ICD-9 CM

421.9

Fs: 00000 – Acute endocarditis, unspecified

MDC / MS-DRG Reference

DRG 288

ACUTE AND SUBACUTE ENDOCARDITIS WITH MCC

DRG 289

ACUTE AND SUBACUTE ENDOCARDITIS WITH CC

DRG 290

ACUTE AND SUBACUTE ENDOCARDITIS WITHOUT CC/MCC

DRG 793

FULL TERM NEONATE WITH MAJOR PROBLEMS

DRG 974

HIV WITH MAJOR RELATED CONDITION WITH MCC

DRG 975

HIV WITH MAJOR RELATED CONDITION WITH CC

DRG 976

HIV WITH MAJOR RELATED CONDITION WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38

acute or subacute I33.9

aortic (heart) (nonrheumatic) (valve) I35.8

acute or subacute I33.9

mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) I05.9

nonrheumatic I34.8

acute or subacute I33.9

pulmonary (chronic) (heart) (valve) I37.8

acute or subacute I33.9

toxic I33.9

tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea) I07.9

nonrheumatic I36.8

acute or subacute I33.9

Sibling Codes

I33.0

Acute and subacute infective endocarditis

Parent Sibling Codes

View in Tabular

Code	Title
I00-I99	Diseases of the circulatory system (I00-I99)
I30-I5A	Other forms of heart disease (I30-I5A)
I33	Acute and subacute endocarditis
I33.9	Acute and subacute endocarditis, unspecified Applicable to Acute endocarditis NOS Acute myoendocarditis NOS Acute periendocarditis NOS Subacute endocarditis NOS Subacute myoendocarditis NOS Subacute periendocarditis NOS