I02.0
Rheumatic chorea with heart involvement
BillableComplete code, valid to report
I02.0 (also written I020) is a billable ICD-10-CM diagnosis code for rheumatic chorea with heart involvement. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 2 codes in category I02 (Rheumatic chorea). The Alphabetic Index lists it under 34 entries. Its coding notes include 2 Excludes1 entries and 10 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (10 notes)
Inherited from Chapter 9 Diseases of the circulatory system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Cardiac and Circulatory clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Hospital CC
Counts as a complication or comorbidity (CC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 46 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.
Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix CIncludes
Further defines or gives examples of the content of the category.
Inherited from I02 Rheumatic chorea
- Sydenham's chorea
Inclusion terms
Conditions classified to this code.
This code
- Chorea NOS with heart involvement
- Rheumatic chorea with heart involvement of any type classifiable under I01.-
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 34 entries
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic), minor, with heart involvement
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic), rheumatic (chronic), with heart involvement
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic), with, heart involvement
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic), with, heart involvement, active or acute (conditions in I01-)
- Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic), with, heart involvement, rheumatic, with valvular disorder
- Degeneration, degenerative, myocardial, myocardium (fatty) (hyaline) (senile), with rheumatic fever (conditions in I00), active, acute or subacute, with chorea
- Disease, diseased, heart (organic), rheumatic (chronic) (inactive) (old) (quiescent) (with chorea), active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Disease, diseased, heart (organic), with, rheumatic fever (conditions in I00), active, with chorea
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), acute or subacute, rheumatic (aortic) (mitral) (pulmonary) (tricuspid), with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), aortic (heart) (nonrheumatic) (valve), rheumatic, active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), aortic (heart) (nonrheumatic) (valve), rheumatic, with mitral disease, active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), aortic (heart) (nonrheumatic) (valve), with, mitral disease, active or acute, with chorea (acute) (rheumatic) (Sydenham's)
Show 22 more
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea), active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea), with, aortic (valve) disease, active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), pulmonary (chronic) (heart) (valve), acute or subacute, rheumatic, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), pulmonary (chronic) (heart) (valve), rheumatic (chronic) (inactive) (with chorea), active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), rheumatic (chronic) (inactive) (with chorea), active or acute (aortic) (mitral) (pulmonary) (tricuspid), with chorea (acute) (rheumatic) (Sydenham's)
- Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular), tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea), active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Failure, failed, heart (acute) (senile) (sudden), congestive, rheumatic (chronic) (inactive) (with chorea), active or acute, with chorea
- Failure, failed, ventricular, left, rheumatic (chronic) (inactive) (with chorea), active or acute, with chorea
- Failure, failed, ventricular, left, with rheumatic fever (conditions in I00), active, with chorea
- Hypertrophy, hypertrophic, cardiac (chronic) (idiopathic), rheumatic (with chorea), active or acute, with chorea
- Insufficiency, insufficient, mitral (valve), rheumatic, active or acute, with chorea, rheumatic (Sydenham's)
- Insufficiency, insufficient, myocardial, myocardium (with arteriosclerosis), with, rheumatic fever (conditions in I00), active, acute or subacute, with chorea
- Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile), active, rheumatic, with chorea (acute) (rheumatic) (Sydenham's)
- Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile), acute or subacute (interstitial), rheumatic, with chorea (acute) (rheumatic) (Sydenham's)
- Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile), rheumatic (chronic) (inactive) (with chorea), active or acute, with chorea (acute) (rheumatic) (Sydenham's)
- Pericarditis (with decompensation) (with effusion), acute (hemorrhagic) (nonrheumatic) (Sicca), rheumatic, with chorea (acute) (Sydenham's)
- Pericarditis (with decompensation) (with effusion), acute (hemorrhagic) (nonrheumatic) (Sicca), with chorea (acute) (rheumatic) (Sydenham's)
- Pericarditis (with decompensation) (with effusion), rheumatic (active) (acute) (with effusion) (with pneumonia), with chorea (acute) (rheumatic) (Sydenham's)
- Rheumatic (acute) (subacute), myocarditis (chronic) (inactive) (with chorea), with chorea (acute) (rheumatic) (Sydenham's)
- Rheumatic (acute) (subacute), pancarditis, acute, with chorea (acute (rheumatic) Sydenham's)
- Rheumatic (acute) (subacute), pericarditis (active) (acute) (with effusion) (with pneumonia), with chorea (acute) (rheumatic) (Sydenham's)
- Stenosis, stenotic (cicatricial), mitral (chronic) (inactive) (valve), active or acute, with rheumatic or Sydenham's chorea