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Table 1 KCD-6 codes used in disease definition

From: Cardiovascular disease risk differences between bus company employees and general workers according to the Korean National Health Insurance Data

Disease Diagnosis KCD-6 Code
Hypertension primary (essential) hypertension I10
hypertensive heart disease I11
hypertensive renal disease I12
hypertensive heart and renal disease I13
Diabetes mellitus non-insulin-dependent diabetes mellitus E11
Dyslipidemia disorders of lipoprotein metabolism and other lipidemias E78
Ischemic heart disease angina pectoris I20
acute myocardial infarction I21
subsequent myocardial infarction I22
certain current complications following acute myocardial infarction I23
other acute ischemic heart diseases I24
chronic ischemic heart disease I25
Cerebrovascular disease subarachnoid hemorrhage I60
intracerebral hemorrhage I61
other non-traumatic intracranial hemorrhage I62
cerebral infarction I63
stroke, not specified as hemorrhage or infarction I64
occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction I65
occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction I66
other cerebrovascular diseases I67
cerebrovascular disorders in diseases classified elsewhere I68
sequelae of cerebrovascular disease I69