Chapter 9
Range: I00-I99
FY2027 Dataset
ICD-10-CM Chapter 9: Diseases of the circulatory system (I00-I99)
Essential hypertension, coronary artery disease, heart failure, and stroke.
Key Diagnosis Codes in Chapter 9
Verified against active FY2027 CDC NCHS code tables.
Showing active FY2027 codes
| Code | Official Descriptor | Status | Action |
|---|---|---|---|
| I00 |
Rheumatic fever without heart involvement
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|
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| I01.0 |
Acute rheumatic pericarditis
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| I01.1 |
Acute rheumatic endocarditis
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| I01.2 |
Acute rheumatic myocarditis
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|
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| I01.8 |
Other acute rheumatic heart disease
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|
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| I01.9 |
Acute rheumatic heart disease, unspecified
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|
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| I02.0 |
Rheumatic chorea with heart involvement
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|
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| I02.9 |
Rheumatic chorea without heart involvement
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| I05.0 |
Rheumatic mitral stenosis
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|
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| I05.1 |
Rheumatic mitral insufficiency
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|
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| I05.2 |
Rheumatic mitral stenosis with insufficiency
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| I05.8 |
Other rheumatic mitral valve diseases
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|
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| I05.9 |
Rheumatic mitral valve disease, unspecified
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| I06.0 |
Rheumatic aortic stenosis
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|
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| I06.1 |
Rheumatic aortic insufficiency
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|
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| I06.2 |
Rheumatic aortic stenosis with insufficiency
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|
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| I06.8 |
Other rheumatic aortic valve diseases
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|
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| I06.9 |
Rheumatic aortic valve disease, unspecified
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|
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| I07.0 |
Rheumatic tricuspid stenosis
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|
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| I07.1 |
Rheumatic tricuspid insufficiency
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|
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| I07.2 |
Rheumatic tricuspid stenosis and insufficiency
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|
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| I07.8 |
Other rheumatic tricuspid valve diseases
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|
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| I07.9 |
Rheumatic tricuspid valve disease, unspecified
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|
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| I08.0 |
Rheumatic disorders of both mitral and aortic valves
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|
Billable Code | View Code |
| I08.1 |
Rheumatic disorders of both mitral and tricuspid valves
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|
Billable Code | View Code |
| I08.2 |
Rheumatic disorders of both aortic and tricuspid valves
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|
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| I08.3 |
Comb rheumatic disord of mitral, aortic and tricuspid valves
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|
Billable Code | View Code |
| I08.8 |
Other rheumatic multiple valve diseases
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|
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| I08.9 |
Rheumatic multiple valve disease, unspecified
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|
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| I09.0 |
Rheumatic myocarditis
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|
Billable Code | View Code |
| I09.1 |
Rheumatic diseases of endocardium, valve unspecified
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|
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| I09.2 |
Chronic rheumatic pericarditis
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|
Billable Code | View Code |
| I09.81 |
Rheumatic heart failure
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|
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| I09.89 |
Other specified rheumatic heart diseases
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|
Billable Code | View Code |
| I09.9 |
Rheumatic heart disease, unspecified
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|
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| I10 |
Essential (primary) hypertension
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|
Billable Code | View Code |
| I11.0 |
Hypertensive heart disease with heart failure
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|
Billable Code | View Code |
| I11.9 |
Hypertensive heart disease without heart failure
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|
Billable Code | View Code |
| I12.0 |
Hyp chr kidney disease w stage 5 chr kidney disease or ESRD
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|
Billable Code | View Code |
| I12.9 |
Hypertensive chronic kidney disease w stg 1-4/unsp chr kdny
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|
Billable Code | View Code |
| I13.0 |
Hyp hrt & chr kdny dis w hrt fail and stg 1-4/unsp chr kdny
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|
Billable Code | View Code |
| I13.10 |
Hyp hrt & chr kdny dis w/o hrt fail, w stg 1-4/unsp chr kdny
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|
Billable Code | View Code |
| I13.11 |
Hyp hrt and chr kdny dis w/o hrt fail, w stg 5 chr kdny/ESRD
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Billable Code | View Code |
| I13.2 |
Hyp hrt & chr kdny dis w hrt fail and w stg 5 chr kdny/ESRD
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Billable Code | View Code |
| I15.0 |
Renovascular hypertension
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|
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| I15.1 |
Hypertension secondary to other renal disorders
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|
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| I15.2 |
Hypertension secondary to endocrine disorders
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|
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| I15.8 |
Other secondary hypertension
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|
Billable Code | View Code |
| I15.9 |
Secondary hypertension, unspecified
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|
Billable Code | View Code |
| I16.0 |
Hypertensive urgency
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|
Billable Code | View Code |
| I16.1 |
Hypertensive emergency
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|
Billable Code | View Code |
| I16.9 |
Hypertensive crisis, unspecified
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|
Billable Code | View Code |
| I1A.0 |
Resistant hypertension
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|
Billable Code | View Code |
| I20.0 |
Unstable angina
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|
Billable Code | View Code |
| I20.1 |
Angina pectoris with documented spasm
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|
Billable Code | View Code |
| I20.2 |
Refractory angina pectoris
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|
Billable Code | View Code |
| I20.81 |
Angina pectoris with coronary microvascular dysfunction
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|
Billable Code | View Code |
| I20.89 |
Other forms of angina pectoris
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|
Billable Code | View Code |
| I20.9 |
Angina pectoris, unspecified
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|
Billable Code | View Code |
| I21.01 |
STEMI involving left main coronary artery
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|
Billable Code | View Code |
| I21.02 |
STEMI involving left anterior descending coronary artery
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|
Billable Code | View Code |
| I21.09 |
STEMI involving oth coronary artery of anterior wall
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|
Billable Code | View Code |
| I21.11 |
STEMI involving right coronary artery
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|
Billable Code | View Code |
| I21.19 |
STEMI involving oth coronary artery of inferior wall
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|
Billable Code | View Code |
| I21.21 |
STEMI involving left circumflex coronary artery
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|
Billable Code | View Code |
| I21.29 |
STEMI involving oth sites
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Billable Code | View Code |
| I21.3 |
ST elevation (STEMI) myocardial infarction of unsp site
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|
Billable Code | View Code |
| I21.4 |
Non-ST elevation (NSTEMI) myocardial infarction
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|
Billable Code | View Code |
| I21.9 |
Acute myocardial infarction, unspecified
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|
Billable Code | View Code |
| I21.A1 |
Myocardial infarction type 2
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|
Billable Code | View Code |
| I21.A9 |
Other myocardial infarction type
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|
Billable Code | View Code |
| I21.B |
Myocardial infarction with coronary microvascular dysfnct
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|
Billable Code | View Code |
| I22.0 |
Subsequent STEMI of anterior wall
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|
Billable Code | View Code |
| I22.1 |
Subsequent STEMI of inferior wall
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|
Billable Code | View Code |
| I22.2 |
Subsequent non-ST elevation (NSTEMI) myocardial infarction
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|
Billable Code | View Code |
| I22.8 |
Subsequent STEMI of sites
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|
Billable Code | View Code |
| I22.9 |
Subsequent STEMI of unsp site
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|
Billable Code | View Code |
| I23.0 |
Hemopericardium as current complication following AMI
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|
Billable Code | View Code |
| I23.1 |
Atrial septal defect as current complication following AMI
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|
Billable Code | View Code |
| I23.2 |
Ventricular septal defect as current comp following AMI
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|
Billable Code | View Code |
| I23.3 |
Rupture of card wall w/o hemoperic as current comp fol AMI
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|
Billable Code | View Code |
| I23.4 |
Rupture of chord tendne as current comp following AMI
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|
Billable Code | View Code |
| I23.5 |
Rupture of papillary muscle as current comp following AMI
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|
Billable Code | View Code |
| I23.6 |
Thombos of atrium/auric append/ventr as current comp fol AMI
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|
Billable Code | View Code |
| I23.7 |
Postinfarction angina
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|
Billable Code | View Code |
| I23.8 |
Oth current complications following AMI
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|
Billable Code | View Code |
| I24.0 |
Acute coronary thrombosis not resulting in myocardial infrc
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|
Billable Code | View Code |
| I24.1 |
Dressler's syndrome
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|
Billable Code | View Code |
| I24.81 |
Acute coronary microvascular dysfunction
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|
Billable Code | View Code |
| I24.89 |
Other forms of acute ischemic heart disease
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|
Billable Code | View Code |
| I24.9 |
Acute ischemic heart disease, unspecified
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|
Billable Code | View Code |
| I25.10 |
Athscl heart disease of native coronary artery w/o ang pctrs
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|
Billable Code | View Code |
| I25.110 |
Athscl heart disease of native cor art w unstable ang pctrs
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|
Billable Code | View Code |
| I25.111 |
Athscl heart disease of native cor art w ang pctrs w spasm
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|
Billable Code | View Code |
| I25.112 |
Athscl heart dis of native cor art with refract ang pctrs
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|
Billable Code | View Code |
| I25.118 |
Athscl heart disease of native cor art w oth ang pctrs
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|
Billable Code | View Code |
| I25.119 |
Athscl heart disease of native cor art w unsp ang pctrs
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|
Billable Code | View Code |
| I25.2 |
Old myocardial infarction
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|
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| I25.3 |
Aneurysm of heart
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|
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| I25.41 |
Coronary artery aneurysm
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|
Billable Code | View Code |
Chapter Guidelines
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