I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
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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
- I61.6Nontraumatic intracerebral hemorrhage, multiple localized
- I61.8Other nontraumatic intracerebral hemorrhage
- I61.9Nontraumatic intracerebral hemorrhage, unspecified
- I62.00Nontraumatic subdural hemorrhage, unspecified
- I62.01Nontraumatic acute subdural hemorrhage
- I62.02Nontraumatic subacute subdural hemorrhage
- I62.03Nontraumatic chronic subdural hemorrhage
- I62.1Nontraumatic extradural hemorrhage
- I62.9Nontraumatic intracranial hemorrhage, unspecified
- I63.00Cerebral infarction due to thrombosis of unspecified precerebral artery
- I63.011Cerebral infarction due to thrombosis of right vertebral artery
- I63.012Cerebral infarction due to thrombosis of left vertebral artery
- I63.013Cerebral infarction due to thrombosis of bilateral vertebral arteries
- I63.019Cerebral infarction due to thrombosis of unspecified vertebral artery
- I63.02Cerebral infarction due to thrombosis of basilar artery
- I63.031Cerebral infarction due to thrombosis of right carotid artery
- I63.032Cerebral infarction due to thrombosis of left carotid artery
- I63.033Cerebral infarction due to thrombosis of bilateral carotid arteries
- I63.039Cerebral infarction due to thrombosis of unspecified carotid artery
- I63.09Cerebral infarction due to thrombosis of other precerebral artery
- I63.10Cerebral infarction due to embolism of unspecified precerebral artery
- I63.111Cerebral infarction due to embolism of right vertebral artery
- I63.112Cerebral infarction due to embolism of left vertebral artery
- I63.113Cerebral infarction due to embolism of bilateral vertebral arteries
- I63.119Cerebral infarction due to embolism of unspecified vertebral artery
- I63.12Cerebral infarction due to embolism of basilar artery
- I63.131Cerebral infarction due to embolism of right carotid artery
- I63.132Cerebral infarction due to embolism of left carotid artery
- I63.133Cerebral infarction due to embolism of bilateral carotid arteries
- I63.139Cerebral infarction due to embolism of unspecified carotid artery
- I63.19Cerebral infarction due to embolism of other precerebral artery
- I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
- I63.211Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery
- I63.212Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery
- I63.213Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries
- I63.219Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery
- I63.22Cerebral infarction due to unspecified occlusion or stenosis of basilar artery
- I63.231Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries
- I63.232Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries
- I63.233Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries
- I63.239Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery
- I63.29Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
- I63.30Cerebral infarction due to thrombosis of unspecified cerebral artery
- I63.311Cerebral infarction due to thrombosis of right middle cerebral artery
- I63.312Cerebral infarction due to thrombosis of left middle cerebral artery
- I63.313Cerebral infarction due to thrombosis of bilateral middle cerebral arteries
- I63.319Cerebral infarction due to thrombosis of unspecified middle cerebral artery
- I63.321Cerebral infarction due to thrombosis of right anterior cerebral artery
- I63.322Cerebral infarction due to thrombosis of left anterior cerebral artery
- I63.323Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries