ICD-10 code lookup
ICD-10-CM
Diseases of the circulatory system
Chapter 9, I00-I99. CDC FY2027 file dated June 16, 2026.
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Codes
- I09.81Rheumatic heart failure
- I09.89Other specified rheumatic heart diseases
- I09.9Rheumatic heart disease, unspecified
- I10Essential (primary) hypertension
- I11Hypertensive heart disease
- I11.0Hypertensive heart disease with heart failure
- I11.9Hypertensive heart disease without heart failure
- I12Hypertensive chronic kidney disease
- I12.0Hyp chr kidney disease w stage 5 chr kidney disease or ESRD
- I12.9Hypertensive chronic kidney disease w stg 1-4/unsp chr kdny
- I13Hypertensive heart and chronic kidney disease
- I13.0Hyp hrt & chr kdny dis w hrt fail and stg 1-4/unsp chr kdny
- I13.1Hypertensive heart and chronic kidney disease w/o hrt fail
- I13.10Hyp hrt & chr kdny dis w/o hrt fail, w stg 1-4/unsp chr kdny
- I13.11Hyp hrt and chr kdny dis w/o hrt fail, w stg 5 chr kdny/ESRD
- I13.2Hyp hrt & chr kdny dis w hrt fail and w stg 5 chr kdny/ESRD
- I15Secondary hypertension
- I15.0Renovascular hypertension
- I15.1Hypertension secondary to other renal disorders
- I15.2Hypertension secondary to endocrine disorders
- I15.8Other secondary hypertension
- I15.9Secondary hypertension, unspecified
- I16Hypertensive crisis
- I16.0Hypertensive urgency
- I16.1Hypertensive emergency
- I16.9Hypertensive crisis, unspecified
- I1AOther hypertension
- I1A.0Resistant hypertension
- I20Angina pectoris
- I20.0Unstable angina
- I20.1Angina pectoris with documented spasm
- I20.2Refractory angina pectoris
- I20.8Other forms of angina pectoris
- I20.81Angina pectoris with coronary microvascular dysfunction
- I20.89Other forms of angina pectoris
- I20.9Angina pectoris, unspecified
- I21Acute myocardial infarction
- I21.0ST elevation (STEMI) myocardial infarction of anterior wall
- I21.01STEMI involving left main coronary artery
- I21.02STEMI involving left anterior descending coronary artery