I00-I99ICD-10-CM chapter
Diseases of the circulatory system
I00-I99 covers the ICD-10-CM codes for diseases of the circulatory system — 80 categories. Select one to see its codes, billable status, and coding notes.
Categories in I00-I99
I00Rheumatic fever without heart involvementBillable›I01Rheumatic fever with heart involvement›I02Rheumatic chorea›I05Rheumatic mitral valve diseases›I06Rheumatic aortic valve diseases›I07Rheumatic tricuspid valve diseases›I08Multiple valve diseases›I09Other rheumatic heart diseases›I10Essential (primary) hypertensionBillable›I11Hypertensive heart disease›I12Hypertensive chronic kidney disease›I13Hypertensive heart and chronic kidney disease›I15Secondary hypertension›I16Hypertensive crisis›I1AOther hypertension›I20Angina pectoris›I21Acute myocardial infarction›I22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction›I23Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)›I24Other acute ischemic heart diseases›I25Chronic ischemic heart disease›I26Pulmonary embolism›I27Other pulmonary heart diseases›I28Other diseases of pulmonary vessels›I30Acute pericarditis›I31Other diseases of pericardium›I32Pericarditis in diseases classified elsewhereBillable›I33Acute and subacute endocarditis›I34Nonrheumatic mitral valve disorders›I35Nonrheumatic aortic valve disorders›I36Nonrheumatic tricuspid valve disorders›I37Nonrheumatic pulmonary valve disorders›I38Endocarditis, valve unspecifiedBillable›I39Endocarditis and heart valve disorders in diseases classified elsewhereBillable›I40Acute myocarditis›I41Myocarditis in diseases classified elsewhereBillable›I42Cardiomyopathy›I43Cardiomyopathy in diseases classified elsewhereBillable›I44Atrioventricular and left bundle-branch block›I45Other conduction disorders›I46Cardiac arrest›I47Paroxysmal tachycardia›I48Atrial fibrillation and flutter›I49Other cardiac arrhythmias›I50Heart failure›I51Complications and ill-defined descriptions of heart disease›I52Other heart disorders in diseases classified elsewhereBillable›I5ANon-ischemic myocardial injury (non-traumatic)Billable›I60Nontraumatic subarachnoid hemorrhage›I61Nontraumatic intracerebral hemorrhage›I62Other and unspecified nontraumatic intracranial hemorrhage›I63Cerebral infarction›I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction›I66Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction›I67Other cerebrovascular diseases›I68Cerebrovascular disorders in diseases classified elsewhere›I69Sequelae of cerebrovascular disease›I70Atherosclerosis›I71Aortic aneurysm and dissection›I72Other aneurysm›I73Other peripheral vascular diseases›I74Arterial embolism and thrombosis›I75Atheroembolism›I76Septic arterial embolismBillable›I77Other disorders of arteries and arterioles›I78Diseases of capillaries›I79Disorders of arteries, arterioles and capillaries in diseases classified elsewhere›I80Phlebitis and thrombophlebitis›I81Portal vein thrombosisBillable›I82Other venous embolism and thrombosis›I83Varicose veins of lower extremities›I85Esophageal varices›I86Varicose veins of other sites›I87Other disorders of veins›I88Nonspecific lymphadenitis›I89Other noninfective disorders of lymphatic vessels and lymph nodes›I95Hypotension›I96Gangrene, not elsewhere classifiedBillable›I97Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified›I99Other and unspecified disorders of circulatory system›
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