I33.0
BillableAcute and subacute infective endocarditis
Acute and subacute infective endocarditis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Bacterial endocarditis (acute) (subacute)
- Infective endocarditis (acute) (subacute) NOS
- Endocarditis lenta (acute) (subacute)
- Malignant endocarditis (acute) (subacute)
- Purulent endocarditis (acute) (subacute)
- Septic endocarditis (acute) (subacute)
- Ulcerative endocarditis (acute) (subacute)
- Vegetative endocarditis (acute) (subacute)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
Use Additional Code
Additional codes that should follow this code
Related Codes(1)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(276)
SNOMED CT
- Purulent endocarditis2439002
- Malignant endocarditis44051003
- Septic endocarditis44051003
- Ulcerative endocarditis44051003
- Endocarditis with infective aneurysm62703006
- Osler node63757006
- Osler's node63757006
- Subacute endocarditis66893008
- Staphylococcal endocarditis73028002
- Endocarditis lenta73774007
- SBE - subacute bacterial endocarditis73774007
- Subacute bacterial endocarditis73774007
- Vegetative endocarditis86100009
- Verrucous endocarditis86100009
- Fungal endocarditis86348002
- Mycotic endocarditis86348002
- Acute endocarditis91357005
- Acute bacterial endocarditis111286002
- Infection by Blastomyces dermatitidis191950004
- Infection caused by Blastomyces dermatitidis191950004
- Endocarditis - blastomycosis194931003
- IE - Infective endocarditis233850007
- Infective endocarditis233850007
- Rickettsial endocarditis233851006
- Mycotic aneurysm233991005
- Prosthetic cardiac valve vegetation234187007
- Osler node of hand248520009
- Osler's node of hand248520009
- Infection caused by Erysipelothrix insidiosa266005008
- Infection caused by Erysipelothrix rhusiopathiae266005008
- Named sign of foot299562007
- Named signs of foot299562007
- Pulmonary valve vegetations301106001
- Tricuspid valve vegetations301110003
- BE - Bacterial endocarditis301183007
- Bacterial endocarditis301183007
- Aortic valve vegetations301184001
- Mitral valve vegetations301185000
- Osler node of foot302176003
- Osler's node of foot302176003
- Skin involvement in bacterial endocarditis402972001
- AIDS (acquired immunodeficiency syndrome) acute endocarditis420395004
- Acute endocarditis with AIDS (acquired immunodeficiency syndrome)420395004
- Acute endocarditis with acquired immunodeficiency syndrome420395004
- Subacute endocarditis with AIDS (acquired immunodeficiency syndrome)420938005
- Subacute endocarditis with acquired immunodeficiency syndrome420938005
- Left sided infective endocarditis423718003
- Right sided infective endocarditis425177009
- Right-sided Staphylococcus aureus endocarditis426087004
- Abscess of tricuspid valve caused by bacteria430402003
- Abscess of tricuspid valve431189009
- Cardiac vegetation459055004
- Vegetation of heart459055004
- Acute infectious endocarditis459056003
- Acute infective endocarditis459056003
- Viral endocarditis459057007
- Infectious endocarditis of homograft459058002
- Infective endocarditis of homograft459058002
- Infectious endocarditis of heterograft459059005
- Infective endocarditis of heterograft459059005
- Infectious endocarditis of right ventricular wall459060000
- Infective endocarditis of right ventricular wall459060000
- Infectious endocarditis of left ventricular wall459061001
- Infective endocarditis of left ventricular wall459061001
- Infectious endocarditis of cardiac valve459067002
- Infective endocarditis of cardiac valve459067002
- Infectious endocarditis of aortic valve459068007
- Infective endocarditis of aortic valve459068007
- Infectious endocarditis of tricuspid valve459151006
- Infective endocarditis of tricuspid valve459151006
- Infectious endocarditis of mitral valve459152004
- Infective endocarditis of mitral valve459152004
- Infectious endocarditis of pulmonary valve459153009
- Infective endocarditis of pulmonary valve459153009
- Infectious endocarditis of truncal valve459154003
- Infective endocarditis of truncal valve459154003
- Infectious endocarditis of left atrioventricular (not morphologically mitral) valve459158000
- Infective endocarditis of left atrioventricular (nonmitral) valve459158000
- Infective endocarditis of left atrioventricular (not morphologically mitral) valve459158000
- Infectious endocarditis of right atrioventricular (not morphologically tricuspid) valve459159008
- Infective endocarditis of right atrioventricular (nontricuspid) valve459159008
- Infective endocarditis of right atrioventricular (not morphologically tricuspid) valve459159008
- Infectious endocarditis at site of ventricular septal defect459172009
- Infective endocarditis at site of ventricular septal defect459172009
- Infectious endocarditis at site of interatrial communication459174005
- Infective endocarditis at site of interatrial communication459174005
- Infectious endocarditis of common atrioventricular valve459178008
- Infective endocarditis of common atrioventricular valve459178008
- Infectious endocarditis at site of patch of ventricular septal defect460358000
- Infective endocarditis at site of patch of ventricular septal defect460358000
- Infectious endocarditis at site of patch of interatrial communication460490009
- Infective endocarditis at site of patch of interatrial communication460490009
- Chlamydial endocarditis460618008
- Endocarditis caused by Chlamydia460618008
- Infectious endocarditis at site of implanted vascular shunt461416009
- Infective endocarditis at site of implanted vascular shunt461416009
- Infectious endocarditis of vascular cardiac conduit461429009
- Infective endocarditis of vascular cardiac conduit461429009
- Endocarditis as complication of procedure472806007
- Arrhythmia due to vegetation of infectious endocarditis472810005
- Arrhythmia due to vegetation of infective endocarditis472810005
- Heart disease co-occurrent with human immunodeficiency virus infection713298006
- Acute endocarditis co-occurrent with human immunodeficiency virus infection713511002
- Endocarditis caused by Erysipelothrix rhusiopathiae720989003
- Erysipelothrix rhusiopathiae endocarditis720989003
- Infection causing subacute endocarditis723864009
- Subacute infective endocarditis723864009
- Infection causing myoendocarditis723865005
- Infective myoendocarditis723865005
- Infective subacute endocarditis of right side of heart838316003
- Right sided subacute infective endocarditis838316003
- Subacute endocarditis of right side of heart due to infection838316003
- Acute endocarditis of right side of heart due to infection838356001
- Right sided acute infective endocarditis838356001
- Embolism due to infective heart valve vegetation840500002
- Embolism from infective heart valve vegetation840500002
- Infectious vegetative endocarditis1141645001
- Infective endocarditis with vegetation1141645001
- Infective endocarditis of cardiac valve with vegetation1141647009
- Infective subacute endocarditis of left side of heart1163075005
- Left sided subacute infective endocarditis1163075005
- Subacute endocarditis of left side of heart due to infection1163075005
- Acute endocarditis of left side of heart due to infection1163089000
- Acute left sided infective endocarditis1163089000
- Epilepsy due to bacterial endocarditis1163529009
- Aortic valve inflammation1204210003
- Inflammation of aortic valve1204210003
- Thromboembolism due to vegetative endocarditis of heart valve1208854008
- Thromboembolism from heart valve vegetation1208854008
UMLS
- Acute and Subacute Infective EndocarditisC0494589
- Acute and subacute infective endocarditisC0494589
- Infective endocarditis (acute) (subacute) NOSC0494589
- Bacterial endocarditis (acute) (subacute)C0553977
- Endocarditis lenta (acute) (subacute)C2882227
- Malignant endocarditis (acute) (subacute)C2882228
- Purulent endocarditis (acute) (subacute)C2882229
- Septic endocarditis (acute) (subacute)C2882230
- Ulcerative endocarditis (acute) (subacute)C2882231
- Vegetative endocarditis (acute) (subacute)C2882232
Clinical Terms
- Infective endocarditis of left atrioventricular (nonmitral) valve
- Subacute infective endocarditis
- Acute endocarditis
- Bacterial endocarditis (acute) (subacute)
- Right sided acute infective endocarditis
- Acute bacterial endocarditis
- Endocarditis - blastomycosis
- Viral endocarditis
- Purulent endocarditis (acute) (subacute)
- Infective endocarditis of tricuspid valve
- Infectious endocarditis of right atrioventricular (not morphologically tricuspid) valve
- Aortic valve vegetations
- Acute endocarditis with AIDS (acquired immunodeficiency syndrome)
- Septic endocarditis
- AIDS (acquired immunodeficiency syndrome) acute endocarditis
- Skin involvement in bacterial endocarditis
- Vegetation of heart
- Malignant endocarditis
- Infection caused by Erysipelothrix rhusiopathiae
- Infective endocarditis at site of interatrial communication
- Bacterial endocarditis
- Endocarditis lenta (acute) (subacute)
- Infectious endocarditis of truncal valve
- Acute endocarditis with acquired immunodeficiency syndrome
- Pulmonary valve vegetations
- Named sign of foot
- Osler node
- Embolism due to infective heart valve vegetation
- Infective endocarditis of left atrioventricular (not morphologically mitral) valve
- Infective endocarditis of mitral valve
- Embolism from infective heart valve vegetation
- Osler's node of foot
- Acute endocarditis of left side of heart due to infection
- Infective endocarditis
- BE - Bacterial endocarditis
- Infectious endocarditis of left ventricular wall
- Infective endocarditis of left ventricular wall
- Infectious vegetative endocarditis
- Abscess of tricuspid valve caused by bacteria
- Left sided infective endocarditis
- Inflammation of aortic valve
- Osler's node
- Endocarditis lenta
- Infective endocarditis of aortic valve
- Infection caused by Erysipelothrix insidiosa
- Acute left sided infective endocarditis
- Infective endocarditis of right atrioventricular (nontricuspid) valve
- Infectious endocarditis of heterograft
- Arrhythmia due to vegetation of infectious endocarditis
- Infectious endocarditis of left atrioventricular (not morphologically mitral) valve
- Infectious endocarditis of tricuspid valve
- Subacute endocarditis of right side of heart due to infection
- Infectious endocarditis at site of ventricular septal defect
- Infective endocarditis of heterograft
- Osler node of hand
- Septic endocarditis (acute) (subacute)
- Infective subacute endocarditis of right side of heart
- Ulcerative endocarditis
- Infectious endocarditis of cardiac valve
- Infective endocarditis of common atrioventricular valve
- Prosthetic cardiac valve vegetation
- Infection causing subacute endocarditis
- Endocarditis caused by Chlamydia
- Chlamydial endocarditis
- Subacute endocarditis
- Infective endocarditis of right atrioventricular (not morphologically tricuspid) valve
- SBE - subacute bacterial endocarditis
- Subacute endocarditis with AIDS (acquired immunodeficiency syndrome)
- Acute endocarditis of right side of heart due to infection
- Tricuspid valve vegetations
- Infective endocarditis of homograft
- Infective endocarditis of pulmonary valve
- Infectious endocarditis at site of implanted vascular shunt
- Staphylococcal endocarditis
- Named signs of foot
- Infectious endocarditis at site of patch of interatrial communication
- Infective endocarditis of cardiac valve with vegetation
- Heart disease co-occurrent with human immunodeficiency virus infection
- Infectious endocarditis of vascular cardiac conduit
- Infective endocarditis at site of ventricular septal defect
- Subacute endocarditis with acquired immunodeficiency syndrome
- Right-sided Staphylococcus aureus endocarditis
- Mycotic aneurysm
- Right sided subacute infective endocarditis
- Verrucous endocarditis
- Endocarditis caused by Erysipelothrix rhusiopathiae
- Infectious endocarditis of common atrioventricular valve
- Infection caused by Blastomyces dermatitidis
- Mycotic endocarditis
- Infective endocarditis at site of patch of interatrial communication
- Left sided subacute infective endocarditis
- Fungal endocarditis
- Infectious endocarditis at site of interatrial communication
- Mitral valve vegetations
- Infective endocarditis (acute) (subacute) NOS
- Infectious endocarditis of mitral valve
- Infective subacute endocarditis of left side of heart
- Subacute bacterial endocarditis
- Malignant endocarditis (acute) (subacute)
- Right sided infective endocarditis
- Infective endocarditis at site of patch of ventricular septal defect
- Cardiac vegetation
- Thromboembolism due to vegetative endocarditis of heart valve
- Aortic valve inflammation
- Infectious endocarditis at site of patch of ventricular septal defect
- Infective endocarditis of cardiac valve
- Infective endocarditis of right ventricular wall
- Acute infective endocarditis
- Rickettsial endocarditis
- Endocarditis with infective aneurysm
- IE - Infective endocarditis
- Abscess of tricuspid valve
- Erysipelothrix rhusiopathiae endocarditis
- Infective myoendocarditis
- Infectious endocarditis of homograft
- Osler's node of hand
- Subacute endocarditis of left side of heart due to infection
- Epilepsy due to bacterial endocarditis
- Infective endocarditis of vascular cardiac conduit
- Thromboembolism from heart valve vegetation
- Vegetative endocarditis
- Ulcerative endocarditis (acute) (subacute)
- Infective endocarditis at site of implanted vascular shunt
- Arrhythmia due to vegetation of infective endocarditis
- Osler node of foot
- Infective endocarditis of truncal valve
- Infectious endocarditis of right ventricular wall
- Endocarditis as complication of procedure
- Infective endocarditis with vegetation
- Acute endocarditis co-occurrent with human immunodeficiency virus infection
- Infectious endocarditis of aortic valve
- Purulent endocarditis
- Infectious endocarditis of pulmonary valve
- Infection by Blastomyces dermatitidis
- Vegetative endocarditis (acute) (subacute)
- Infection causing myoendocarditis
- Acute infectious endocarditis
Frequently Asked Questions
What is the ICD-10 code for acute and subacute infective endocarditis?
The ICD-10-CM code for acute and subacute infective endocarditis is I33.0. The full clinical description is "Acute and subacute infective endocarditis". I33.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I33.0 mean?
ICD-10-CM code I33.0 represents “Acute and subacute infective endocarditis”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I33.0 a billable code?
Yes, I33.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I33.0 in?
I33.0 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I33.0?
I33.0 has Excludes1 notes indicating codes that cannot be used together with it, including: acute rheumatic endocarditis (I01.1); endocarditis NOS (I38).
Are additional codes required with I33.0?
Yes, when using I33.0, also report: code (B95-B97) to identify infectious agent.
What SNOMED CT codes does I33.0 map to?
I33.0 maps to 74 SNOMED CT concepts: 420395004, 431189009, 430402003, 111286002, 91357005, and 69 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I33.0?
I33.0 is linked to 8 UMLS Concept Unique Identifiers: C0494589, C0553977, C2882227, C2882228, C2882229, and 3 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I33.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acute and subacute infective endocarditis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I33.0?
I33.0 maps to the ICD-11 code: BB40 (Acute or subacute infectious endocarditis).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.