| I080 | Rheumatic disorders of both mitral and aortic valves |
| I081 | Rheumatic disorders of both mitral and tricuspid valves |
| I082 | Rheumatic disorders of both aortic and tricuspid valves |
| I083 | Comb rheumatic disord of mitral, aortic and tricuspid valves Combined rheumatic disorders of mitral, aortic and tricuspid valves |
| I088 | Other rheumatic multiple valve diseases |
| I089 | Rheumatic multiple valve disease, unspecified |
| I09 | Other rheumatic heart diseases |
| I090 | Rheumatic myocarditis |
| I091 | Rheumatic diseases of endocardium, valve unspecified |
| I092 | Chronic rheumatic pericarditis |
| I098 | Other specified rheumatic heart diseases |
| I0981 | Rheumatic heart failure |
| I0989 | Other specified rheumatic heart diseases |
| I099 | Rheumatic heart disease, unspecified |
| I10 | Essential (primary) hypertension |
| I11 | Hypertensive heart disease |
| I110 | Hypertensive heart disease with heart failure |
| I119 | Hypertensive heart disease without heart failure |
| I12 | Hypertensive chronic kidney disease |
| I120 | Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease |
| I129 | Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease |
| I13 | Hypertensive heart and chronic kidney disease |
| I130 | Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease |
| I131 | Hypertensive heart and chronic kidney disease without heart failure |
| I1310 | Hyp hrt & chr kdny dis w/o hrt fail, w stg 1-4/unsp chr kdny Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease |
| I1311 | Hyp hrt and chr kdny dis w/o hrt fail, w stg 5 chr kdny/ESRD Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease |
| I132 | Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease |
| I15 | Secondary hypertension |
| I150 | Renovascular hypertension |
| I151 | Hypertension secondary to other renal disorders |
| I152 | Hypertension secondary to endocrine disorders |
| I158 | Other secondary hypertension |
| I159 | Secondary hypertension, unspecified |
| I16 | Hypertensive crisis |
| I160 | Hypertensive urgency |
| I161 | Hypertensive emergency |
| I169 | Hypertensive crisis, unspecified |
| I1A | Other hypertension |
| I1A0 | Resistant hypertension |
| I20 | Angina pectoris |
| I200 | Unstable angina |
| I201 | Angina pectoris with documented spasm |
| I202 | Refractory angina pectoris |
| I208 | Other forms of angina pectoris |
| I2081 | Angina pectoris with coronary microvascular dysfunction |
| I2089 | Other forms of angina pectoris |
| I209 | Angina pectoris, unspecified |
| I21 | Acute myocardial infarction |
| I210 | ST elevation (STEMI) myocardial infarction of anterior wall |
| I2101 | ST elevation (STEMI) myocardial infarction involving left main coronary artery |