All ICD10 Codes
Chapter 9

I00–I99: Diseases of the Circulatory System

Diseases of the Circulatory System diagnostic classification updated for 2026.

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.-)
All CodesBillable Only
Internal Codes
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  • I69.862—

    Other paralytic syndrome following other cerebrovascular disease affecting left dominant side

  • I69.863—

    Other paralytic syndrome following other cerebrovascular disease affecting right non-dominant side

  • I69.864—

    Other paralytic syndrome following other cerebrovascular disease affecting left non-dominant side

  • I69.865—

    Other paralytic syndrome following other cerebrovascular disease, bilateral

  • I69.869—

    Other paralytic syndrome following other cerebrovascular disease affecting unspecified side

  • I69.89—

    Other sequelae of other cerebrovascular disease

  • I69.890—

    Apraxia following other cerebrovascular disease

  • I69.891—

    Dysphagia following other cerebrovascular disease

  • I69.892—

    Facial weakness following other cerebrovascular disease

  • I69.893—

    Ataxia following other cerebrovascular disease

  • I69.898—

    Other sequelae of other cerebrovascular disease

  • I69.9—

    Sequelae of unspecified cerebrovascular diseases

  • I69.90—

    Unspecified sequelae of unspecified cerebrovascular disease

  • I69.91—

    Cognitive deficits following unspecified cerebrovascular disease

  • I69.910—

    Attention and concentration deficit following unspecified cerebrovascular disease

  • I69.911—

    Memory deficit following unspecified cerebrovascular disease

  • I69.912—

    Visuospatial deficit and spatial neglect following unspecified cerebrovascular disease

  • I69.913—

    Psychomotor deficit following unspecified cerebrovascular disease

  • I69.914—

    Frontal lobe and executive function deficit following unspecified cerebrovascular disease

  • I69.915—

    Cognitive social or emotional deficit following unspecified cerebrovascular disease

  • I69.918—

    Other symptoms and signs involving cognitive functions following unspecified cerebrovascular disease

  • I69.919—

    Unspecified symptoms and signs involving cognitive functions following unspecified cerebrovascular disease

  • I69.92—

    Speech and language deficits following unspecified cerebrovascular disease

  • I69.920—

    Aphasia following unspecified cerebrovascular disease

  • I69.921—

    Dysphasia following unspecified cerebrovascular disease

  • I69.922—

    Dysarthria following unspecified cerebrovascular disease

  • I69.923—

    Fluency disorder following unspecified cerebrovascular disease

  • I69.928—

    Other speech and language deficits following unspecified cerebrovascular disease

  • I69.93—

    Monoplegia of upper limb following unspecified cerebrovascular disease

  • I69.931—

    Monoplegia of upper limb following unspecified cerebrovascular disease affecting right dominant side

  • I69.932—

    Monoplegia of upper limb following unspecified cerebrovascular disease affecting left dominant side

  • I69.933—

    Monoplegia of upper limb following unspecified cerebrovascular disease affecting right non-dominant side

  • I69.934—

    Monoplegia of upper limb following unspecified cerebrovascular disease affecting left non-dominant side

  • I69.939—

    Monoplegia of upper limb following unspecified cerebrovascular disease affecting unspecified side

  • I69.94—

    Monoplegia of lower limb following unspecified cerebrovascular disease

  • I69.941—

    Monoplegia of lower limb following unspecified cerebrovascular disease affecting right dominant side

  • I69.942—

    Monoplegia of lower limb following unspecified cerebrovascular disease affecting left dominant side

  • I69.943—

    Monoplegia of lower limb following unspecified cerebrovascular disease affecting right non-dominant side

  • I69.944—

    Monoplegia of lower limb following unspecified cerebrovascular disease affecting left non-dominant side

  • I69.949—

    Monoplegia of lower limb following unspecified cerebrovascular disease affecting unspecified side

  • I69.95—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease

  • I69.951—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right dominant side

  • I69.952—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left dominant side

  • I69.953—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting right non-dominant side

  • I69.954—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting left non-dominant side

  • I69.959—

    Hemiplegia and hemiparesis following unspecified cerebrovascular disease affecting unspecified side

  • I69.96—

    Other paralytic syndrome following unspecified cerebrovascular disease

  • I69.961—

    Other paralytic syndrome following unspecified cerebrovascular disease affecting right dominant side

  • I69.962—

    Other paralytic syndrome following unspecified cerebrovascular disease affecting left dominant side

  • I69.963—

    Other paralytic syndrome following unspecified cerebrovascular disease affecting right non-dominant side

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