2025 ICD-10 CM DIAGNOSIS INDEX TERMS STARTING WITH I

  • Cerebral infarction due to cerebral venous thrombosis, nonpyogenic - I63.6
  • Other cerebral infarction - I63.8
  • Other cerebral infarction due to occlusion or stenosis of small artery - I63.81
  • Other cerebral infarction - I63.89
  • Cerebral infarction, unspecified - I63.9
  • Occlusion and stenosis of vertebral artery - I65.0
  • Occlusion and stenosis of right vertebral artery - I65.01
  • Occlusion and stenosis of left vertebral artery - I65.02
  • Occlusion and stenosis of bilateral vertebral arteries - I65.03
  • Occlusion and stenosis of unspecified vertebral artery - I65.09
  • Occlusion and stenosis of basilar artery - I65.1
  • Occlusion and stenosis of carotid artery - I65.2
  • Occlusion and stenosis of right carotid artery - I65.21
  • Occlusion and stenosis of left carotid artery - I65.22
  • Occlusion and stenosis of bilateral carotid arteries - I65.23
  • Occlusion and stenosis of unspecified carotid artery - I65.29
  • Occlusion and stenosis of other precerebral arteries - I65.8
  • Occlusion and stenosis of unspecified precerebral artery - I65.9
  • Occlusion and stenosis of middle cerebral artery - I66.0
  • Occlusion and stenosis of right middle cerebral artery - I66.01
  • Occlusion and stenosis of left middle cerebral artery - I66.02
  • Occlusion and stenosis of bilateral middle cerebral arteries - I66.03
  • Occlusion and stenosis of unspecified middle cerebral artery - I66.09
  • Occlusion and stenosis of anterior cerebral artery - I66.1
  • Occlusion and stenosis of right anterior cerebral artery - I66.11
  • Occlusion and stenosis of left anterior cerebral artery - I66.12
  • Occlusion and stenosis of bilateral anterior cerebral arteries - I66.13
  • Occlusion and stenosis of unspecified anterior cerebral artery - I66.19
  • Occlusion and stenosis of posterior cerebral artery - I66.2
  • Occlusion and stenosis of right posterior cerebral artery - I66.21
  • Occlusion and stenosis of left posterior cerebral artery - I66.22
  • Occlusion and stenosis of bilateral posterior cerebral arteries - I66.23
  • Occlusion and stenosis of unspecified posterior cerebral artery - I66.29
  • Occlusion and stenosis of cerebellar arteries - I66.3
  • Occlusion and stenosis of other cerebral arteries - I66.8
  • Occlusion and stenosis of unspecified cerebral artery - I66.9
  • Dissection of cerebral arteries, nonruptured - I67.0
  • Cerebral aneurysm, nonruptured - I67.1
  • Cerebral atherosclerosis - I67.2
  • Progressive vascular leukoencephalopathy - I67.3
  • Hypertensive encephalopathy - I67.4
  • Moyamoya disease - I67.5
  • Nonpyogenic thrombosis of intracranial venous system - I67.6
  • Cerebral arteritis, not elsewhere classified - I67.7
  • Other specified cerebrovascular diseases - I67.8
  • Acute cerebrovascular insufficiency - I67.81
  • Cerebral ischemia - I67.82
  • Posterior reversible encephalopathy syndrome - I67.83
  • Cerebral vasospasm and vasoconstriction - I67.84
  • Reversible cerebrovascular vasoconstriction syndrome - I67.841
  • Other cerebrovascular vasospasm and vasoconstriction - I67.848
  • Hereditary cerebrovascular diseases - I67.85
  • Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy - I67.850
  • Other hereditary cerebrovascular disease - I67.858
  • Other cerebrovascular disease - I67.89
  • Cerebrovascular disease, unspecified - I67.9
  • Cerebral amyloid angiopathy - I68.0
  • Cerebral arteritis in other diseases classified elsewhere - I68.2
  • Other cerebrovascular disorders in diseases classified elsewhere - I68.8
  • Sequelae of nontraumatic subarachnoid hemorrhage - I69.0
  • Unspecified sequelae of nontraumatic subarachnoid hemorrhage - I69.00
  • Cognitive deficits following nontraumatic subarachnoid hemorrhage - I69.01
  • Attention and concentration deficit following nontraumatic subarachnoid hemorrhage - I69.010
  • Memory deficit following nontraumatic subarachnoid hemorrhage - I69.011
  • Visuospatial deficit and spatial neglect following nontraumatic subarachnoid hemorrhage - I69.012
  • Psychomotor deficit following nontraumatic subarachnoid hemorrhage - I69.013
  • Frontal lobe and executive function deficit following nontraumatic subarachnoid hemorrhage - I69.014
  • Cognitive social or emotional deficit following nontraumatic subarachnoid hemorrhage - I69.015
  • Other symptoms and signs involving cognitive functions following nontraumatic subarachnoid hemorrhage - I69.018
  • Unspecified symptoms and signs involving cognitive functions following nontraumatic subarachnoid hemorrhage - I69.019
  • Speech and language deficits following nontraumatic subarachnoid hemorrhage - I69.02
  • Aphasia following nontraumatic subarachnoid hemorrhage - I69.020
  • Dysphasia following nontraumatic subarachnoid hemorrhage - I69.021
  • Dysarthria following nontraumatic subarachnoid hemorrhage - I69.022
  • Fluency disorder following nontraumatic subarachnoid hemorrhage - I69.023
  • Other speech and language deficits following nontraumatic subarachnoid hemorrhage - I69.028
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage - I69.03
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right dominant side - I69.031
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left dominant side - I69.032
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side - I69.033
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side - I69.034
  • Monoplegia of upper limb following nontraumatic subarachnoid hemorrhage affecting unspecified side - I69.039
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage - I69.04
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right dominant side - I69.041
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left dominant side - I69.042
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting right non-dominant side - I69.043
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting left non-dominant side - I69.044
  • Monoplegia of lower limb following nontraumatic subarachnoid hemorrhage affecting unspecified side - I69.049
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage - I69.05
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right dominant side - I69.051
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left dominant side - I69.052
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting right non-dominant side - I69.053
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting left non-dominant side - I69.054
  • Hemiplegia and hemiparesis following nontraumatic subarachnoid hemorrhage affecting unspecified side - I69.059
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage - I69.06
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right dominant side - I69.061
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left dominant side - I69.062
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting right non-dominant side - I69.063
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage affecting left non-dominant side - I69.064
  • Other paralytic syndrome following nontraumatic subarachnoid hemorrhage, bilateral - I69.065