ICD-10-CM Alphabetic Index · FY 2026 121 Entries
Endocarditis in the ICD-10-CM Index ICD-10-CM
The main term Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) carries 121 index entries pointing to 36 ICD-10-CM codes. The default entry is I38, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
121
Index Entries
36
Codes Referenced
I38
Default Code
E
Letter
121 of 121 shown
ICD-10-CM
Index Entries Under Endocarditis 121 entries · 36 codes
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
with rheumatic fever (conditions in I00)
active see Endocarditis, acute, rheumatic
inactive or quiescent (with chorea) I09.1
acute or subacute I33.9
infective I33.0
rheumatic (aortic) (mitral) (pulmonary) (tricuspid) I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
aortic (heart) (nonrheumatic) (valve) I35.8
with
mitral disease I08.0
with tricuspid (valve) disease I08.3
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
rheumatic fever (conditions in I00)
active see Endocarditis, acute, rheumatic
inactive or quiescent (with chorea) I06.9
tricuspid (valve) disease I08.2
with mitral (valve) disease I08.3
acute or subacute I33.9
arteriosclerotic I35.8
rheumatic I06.9
with mitral disease I08.0
with tricuspid (valve) disease I08.3
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
specified NEC I06.8
specified cause NEC I35.8
syphilitic A52.03
arteriosclerotic I38
atypical verrucous (Libman-Sacks) M32.11
bacterial (acute) (any valve) (subacute) I33.0
candidal B37.6
congenital Q24.8
constrictive I33.0
Coxiella burnetii A78
Coxsackie B33.21
due to
prosthetic cardiac valve T82.6 Non-billable
Q fever A78
Serratia marcescens I33.0
typhoid (fever) A01.02
gonococcal A54.83
infectious or infective (acute) (any valve) (subacute) I33.0
lenta (acute) (any valve) (subacute) I33.0
Libman-Sacks M32.11
listerial A32.82
Löffler's I42.3
malignant (acute) (any valve) (subacute) I33.0
meningococcal A39.51
mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) I05.9
with
aortic (valve) disease I08.0
with tricuspid (valve) disease I08.3
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
rheumatic fever (conditions in I00)
active see Endocarditis, acute, rheumatic
inactive or quiescent (with chorea) I05.9
tricuspid (valve) disease I08.1
with aortic (valve) disease I08.3
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
bacterial I33.0
arteriosclerotic I34.89
nonrheumatic I34.89
acute or subacute I33.9
specified NEC I05.8
monilial B37.6
multiple valves I08.9
specified disorders I08.8
mycotic (acute) (any valve) (subacute) I33.0
pneumococcal (acute) (any valve) (subacute) I33.0
pulmonary (chronic) (heart) (valve) I37.8
with rheumatic fever (conditions in I00)
active see Endocarditis, acute, rheumatic
inactive or quiescent (with chorea) I09.89
with aortic, mitral or tricuspid disease I08.8
acute or subacute I33.9
rheumatic I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
arteriosclerotic I37.8
congenital Q22.2
rheumatic (chronic) (inactive) (with chorea) I09.89
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
syphilitic A52.03
purulent (acute) (any valve) (subacute) I33.0
Q fever A78
rheumatic (chronic) (inactive) (with chorea) I09.1
active or acute (aortic) (mitral) (pulmonary) (tricuspid) I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
rheumatoid see Rheumatoid, carditis
septic (acute) (any valve) (subacute) I33.0
streptococcal (acute) (any valve) (subacute) I33.0
subacute see Endocarditis, acute
suppurative (acute) (any valve) (subacute) I33.0
syphilitic A52.03
toxic I33.9
tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea) I07.9
with
aortic (valve) disease I08.2
mitral (valve) disease I08.3
mitral (valve) disease I08.1
aortic (valve) disease I08.3
rheumatic fever (conditions in I00)
active see Endocarditis, acute, rheumatic
inactive or quiescent (with chorea) I07.8
active or acute I01.1
with chorea (acute) (rheumatic) (Sydenham's) I02.0
arteriosclerotic I36.8
nonrheumatic I36.8
acute or subacute I33.9
specified cause, except rheumatic I36.8
tuberculous see Tuberculosis, endocarditis
typhoid A01.02
ulcerative (acute) (any valve) (subacute) I33.0
vegetative (acute) (any valve) (subacute) I33.0
verrucous (atypical) (nonbacterial) (nonrheumatic) M32.11
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
