I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Blocks
- I00-I02Acute rheumatic fever
- I05-I09Chronic rheumatic heart diseases
- I10-I1AHypertensive diseases
- I20-I25Ischemic heart diseases
- I26-I28Pulmonary heart disease and diseases of pulmonary circulation
- I30-I5AOther forms of heart disease
- I60-I69Cerebrovascular diseases
- I70-I79Diseases of arteries, arterioles and capillaries
- I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
- I95-I99Other and unspecified disorders of the circulatory system
Codes in this chapter
All codesBillable only1,433 results
- I00Rheumatic fever without heart involvement
- I01.0Acute rheumatic pericarditis
- I01.1Acute rheumatic endocarditis
- I01.2Acute rheumatic myocarditis
- I01.8Other acute rheumatic heart disease
- I01.9Acute rheumatic heart disease, unspecified
- I02.0Rheumatic chorea with heart involvement
- I02.9Rheumatic chorea without heart involvement
- I05.0Rheumatic mitral stenosis
- I05.1Rheumatic mitral insufficiency
- I05.2Rheumatic mitral stenosis with insufficiency
- I05.8Other rheumatic mitral valve diseases
- I05.9Rheumatic mitral valve disease, unspecified
- I06.0Rheumatic aortic stenosis
- I06.1Rheumatic aortic insufficiency
- I06.2Rheumatic aortic stenosis with insufficiency
- I06.8Other rheumatic aortic valve diseases
- I06.9Rheumatic aortic valve disease, unspecified
- I07.0Rheumatic tricuspid stenosis
- I07.1Rheumatic tricuspid insufficiency
- I07.2Rheumatic tricuspid stenosis and insufficiency
- I07.8Other rheumatic tricuspid valve diseases
- I07.9Rheumatic tricuspid valve disease, unspecified
- I08.0Rheumatic disorders of both mitral and aortic valves
- I08.1Rheumatic disorders of both mitral and tricuspid valves
- I08.2Rheumatic disorders of both aortic and tricuspid valves
- I08.3Combined rheumatic disorders of mitral, aortic and tricuspid valves
- I08.8Other rheumatic multiple valve diseases
- I08.9Rheumatic multiple valve disease, unspecified
- I09.0Rheumatic myocarditis
- I09.1Rheumatic diseases of endocardium, valve unspecified
- I09.2Chronic rheumatic pericarditis
- I09.81Rheumatic heart failure
- I09.89Other specified rheumatic heart diseases
- I09.9Rheumatic heart disease, unspecified
- I10Essential (primary) hypertension
- I11.0Hypertensive heart disease with heart failure
- I11.9Hypertensive heart disease without heart failure
- I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
- I12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- I13.0Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- I13.10Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- I13.11Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease
- I13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
- I15.0Renovascular hypertension
- I15.1Hypertension secondary to other renal disorders
- I15.2Hypertension secondary to endocrine disorders
- I15.8Other secondary hypertension
- I15.9Secondary hypertension, unspecified
- I16.0Hypertensive urgency
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