Table 1. Classification of cardiovascular diseases.

Disease category				ICD codes (10th revision)
All diseases of circulatory system				I00–I99
	Heart diseases			I00–I13, I20–I28, I30–I51
		Ischemic heart diseases		I20–I25
			Myocardial infarction	I21–I23
		Heart failure		I50
		Hypertension		I10–I13
	Cerebrovascular diseases			I60–I69
	Other circulatory diseases			I15, I52, I70–I99

ICD, International Classification of Diseases.