ICD-10-CM
Diseases of the circulatory system
Chapter 9, I00-I99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
80 categories in this chapter. Open one, or page through every code below.
- I00Rheumatic fever without heart involvement
- 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) hypertension
- 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 STEMI and NSTEMI mocard infrc
- I23Certain current comp fol STEMI and NSTEMI mocard infrc <= 28 day
- 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 elsewhere
- I33Acute and subacute endocarditis
- I34Nonrheumatic mitral valve disorders
- I35Nonrheumatic aortic valve disorders
- I36Nonrheumatic tricuspid valve disorders
- I37Nonrheumatic pulmonary valve disorders
- I38Endocarditis, valve unspecified
- I39Endocarditis and heart valve disord in dis classd elswhr
- I40Acute myocarditis
- I41Myocarditis in diseases classified elsewhere
44 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report. Listed second marks a billable manifestation code (its CDC title says it is "classified elsewhere"): code the underlying disease or condition first, then this code.
241 to 280 of 1,807
- I31.4Cardiac tamponadeBillable
- I31.8Other specified diseases of pericardiumBillable
- I31.9Disease of pericardium, unspecifiedBillable
- I32Pericarditis in diseases classified elsewhereListed second
- I33Acute and subacute endocarditisHeader
- I33.0Acute and subacute infective endocarditisBillable
- I33.9Acute and subacute endocarditis, unspecifiedBillable
- I34Nonrheumatic mitral valve disordersHeader
- I34.0Nonrheumatic mitral (valve) insufficiencyBillable
- I34.1Nonrheumatic mitral (valve) prolapseBillable
- I34.2Nonrheumatic mitral (valve) stenosisBillable
- I34.8Other nonrheumatic mitral valve disordersHeader
- I34.81Nonrheumatic mitral (valve) annulus calcificationBillable
- I34.89Other nonrheumatic mitral valve disordersBillable
- I34.9Nonrheumatic mitral valve disorder, unspecifiedBillable
- I35Nonrheumatic aortic valve disordersHeader
- I35.0Nonrheumatic aortic (valve) stenosisBillable
- I35.1Nonrheumatic aortic (valve) insufficiencyBillable
- I35.2Nonrheumatic aortic (valve) stenosis with insufficiencyBillable
- I35.8Other nonrheumatic aortic valve disordersBillable
- I35.9Nonrheumatic aortic valve disorder, unspecifiedBillable
- I36Nonrheumatic tricuspid valve disordersHeader
- I36.0Nonrheumatic tricuspid (valve) stenosisBillable
- I36.1Nonrheumatic tricuspid (valve) insufficiencyBillable
- I36.2Nonrheumatic tricuspid (valve) stenosis with insufficiencyBillable
- I36.8Other nonrheumatic tricuspid valve disordersBillable
- I36.9Nonrheumatic tricuspid valve disorder, unspecifiedBillable
- I37Nonrheumatic pulmonary valve disordersHeader
- I37.0Nonrheumatic pulmonary valve stenosisBillable
- I37.1Nonrheumatic pulmonary valve insufficiencyBillable
- I37.2Nonrheumatic pulmonary valve stenosis with insufficiencyBillable
- I37.8Other nonrheumatic pulmonary valve disordersBillable
- I37.9Nonrheumatic pulmonary valve disorder, unspecifiedBillable
- I38Endocarditis, valve unspecifiedBillable
- I39Endocarditis and heart valve disord in dis classd elswhrListed second
- I40Acute myocarditisHeader
- I40.0Infective myocarditisBillable
- I40.1Isolated myocarditisBillable
- I40.8Other acute myocarditisBillable
- I40.9Acute myocarditis, unspecifiedBillable