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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Codes > 2025 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99)

2025 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99)

Type 2 Excludes

  • 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.-)
  • Codes Description
  • I00-I02
    Acute rheumatic fever (I00-I02)
  • I05-I09
    Chronic rheumatic heart diseases (I05-I09)
  • I10-I16
    Hypertensive diseases (I10-I16)
  • I20-I25
    Ischemic heart diseases (I20-I25)
  • I26-I28
    Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
  • I30-I5A
    Other forms of heart disease (I30-I5A)
  • I60-I69
    Cerebrovascular diseases (I60-I69)
  • I70-I79
    Diseases of arteries, arterioles and capillaries (I70-I79)
  • I80-I89
    Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
  • I95-I99
    Other and unspecified disorders of the circulatory system (I95-I99)

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