I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
Advertisements
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.-)
Codes in this chapter
All codesBillable only1,433 results
- I65.01Occlusion and stenosis of right vertebral artery
- I65.02Occlusion and stenosis of left vertebral artery
- I65.03Occlusion and stenosis of bilateral vertebral arteries
- I65.09Occlusion and stenosis of unspecified vertebral artery
- I65.1Occlusion and stenosis of basilar artery
- I65.21Occlusion and stenosis of right carotid artery
- I65.22Occlusion and stenosis of left carotid artery
- I65.23Occlusion and stenosis of bilateral carotid arteries
- I65.29Occlusion and stenosis of unspecified carotid artery
- I65.8Occlusion and stenosis of other precerebral arteries
- I65.9Occlusion and stenosis of unspecified precerebral artery
- I66.01Occlusion and stenosis of right middle cerebral artery
- I66.02Occlusion and stenosis of left middle cerebral artery
- I66.03Occlusion and stenosis of bilateral middle cerebral arteries
- I66.09Occlusion and stenosis of unspecified middle cerebral artery
- I66.11Occlusion and stenosis of right anterior cerebral artery
- I66.12Occlusion and stenosis of left anterior cerebral artery
- I66.13Occlusion and stenosis of bilateral anterior cerebral arteries
- I66.19Occlusion and stenosis of unspecified anterior cerebral artery
- I66.21Occlusion and stenosis of right posterior cerebral artery
- I66.22Occlusion and stenosis of left posterior cerebral artery
- I66.23Occlusion and stenosis of bilateral posterior cerebral arteries
- I66.29Occlusion and stenosis of unspecified posterior cerebral artery
- I66.3Occlusion and stenosis of cerebellar arteries
- I66.8Occlusion and stenosis of other cerebral arteries
- I66.9Occlusion and stenosis of unspecified cerebral artery
- I67.0Dissection of cerebral arteries, nonruptured
- I67.1Cerebral aneurysm, nonruptured
- I67.2Cerebral atherosclerosis
- I67.3Progressive vascular leukoencephalopathy
- I67.4Hypertensive encephalopathy
- I67.5Moyamoya disease
- I67.6Nonpyogenic thrombosis of intracranial venous system
- I67.7Cerebral arteritis, not elsewhere classified
- I67.81Acute cerebrovascular insufficiency
- I67.82Cerebral ischemia
- I67.83Posterior reversible encephalopathy syndrome
- I67.841Reversible cerebrovascular vasoconstriction syndrome
- I67.848Other cerebrovascular vasospasm and vasoconstriction
- I67.850Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
- I67.858Other hereditary cerebrovascular disease
- I67.89Other cerebrovascular disease
- I67.9Cerebrovascular disease, unspecified
- I68.0Cerebral amyloid angiopathy
- I68.2Cerebral arteritis in other diseases classified elsewhere
- I68.8Other cerebrovascular disorders in diseases classified elsewhere
- I69.00Unspecified sequelae of nontraumatic subarachnoid hemorrhage
- I69.010Attention and concentration deficit following nontraumatic subarachnoid hemorrhage
- I69.011Memory deficit following nontraumatic subarachnoid hemorrhage
- I69.012Visuospatial deficit and spatial neglect following nontraumatic subarachnoid hemorrhage