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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  • I69.021—

    Dysphasia following nontraumatic subarachnoid hemorrhage

  • I69.022—

    Dysarthria following nontraumatic subarachnoid hemorrhage

  • I69.023—

    Fluency disorder following nontraumatic subarachnoid hemorrhage

  • I69.028—

    Other speech and language deficits following nontraumatic subarachnoid hemorrhage

  • I69.031—

    Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right dominant side

  • I69.032—

    Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left dominant side

  • I69.033—

    Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side

  • I69.034—

    Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side

  • I69.039—

    Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting unspecified side

  • I69.041—

    Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right dominant side

  • I69.042—

    Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left dominant side

  • I69.043—

    Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side

  • I69.044—

    Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side

  • I69.049—

    Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting unspecified side

  • I69.051—

    Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right dominant side

  • I69.052—

    Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left dominant side

  • I69.053—

    Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right non-dominant side

  • I69.054—

    Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left non-dominant side

  • I69.059—

    Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting unspecified side

  • I69.061—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right dominant side

  • I69.062—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left dominant side

  • I69.063—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right non-dominant side

  • I69.064—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left non-dominant side

  • I69.065—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage, bilateral

  • I69.069—

    Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting unspecified side

  • I69.090—

    Apraxia following nontraumatic subarachnoid hemorrhage

  • I69.091—

    Dysphagia following nontraumatic subarachnoid hemorrhage

  • I69.092—

    Facial weakness following nontraumatic subarachnoid hemorrhage

  • I69.093—

    Ataxia following nontraumatic subarachnoid hemorrhage

  • I69.098—

    Other sequelae following nontraumatic subarachnoid hemorrhage

  • I69.10—

    Unspecified sequelae of nontraumatic intracerebral hemorrhage

  • I69.110—

    Attention and concentration deficit following nontraumatic intracerebral hemorrhage

  • I69.111—

    Memory deficit following nontraumatic intracerebral hemorrhage

  • I69.112—

    Visuospatial deficit and spatial neglect following nontraumatic intracerebral hemorrhage

  • I69.113—

    Psychomotor deficit following nontraumatic intracerebral hemorrhage

  • I69.114—

    Frontal lobe and executive function deficit following nontraumatic intracerebral hemorrhage

  • I69.115—

    Cognitive social or emotional deficit following nontraumatic intracerebral hemorrhage

  • I69.118—

    Other symptoms and signs involving cognitive functions following nontraumatic intracerebral hemorrhage

  • I69.119—

    Unspecified symptoms and signs involving cognitive functions following nontraumatic intracerebral hemorrhage

  • I69.120—

    Aphasia following nontraumatic intracerebral hemorrhage

  • I69.121—

    Dysphasia following nontraumatic intracerebral hemorrhage

  • I69.122—

    Dysarthria following nontraumatic intracerebral hemorrhage

  • I69.123—

    Fluency disorder following nontraumatic intracerebral hemorrhage

  • I69.128—

    Other speech and language deficits following nontraumatic intracerebral hemorrhage

  • I69.131—

    Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting right dominant side

  • I69.132—

    Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting left dominant side

  • I69.133—

    Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting right non-dominant side

  • I69.134—

    Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting left non-dominant side

  • I69.139—

    Monoplegia of upper limb following nontraumatic intracerebral hemorrhage affecting unspecified side

  • I69.141—

    Monoplegia of lower limb following nontraumatic intracerebral hemorrhage affecting right dominant side

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