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I65.9 - Occlusion and stenosis of unspecified precerebral artery


The ICD 10 Code for Occlusion and stenosis of unspecified precerebral artery is listed as I65.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I65.9
Description: Occlusion and stenosis of unspecified precerebral artery
  • Occlusion and stenosis of precerebral artery NOS
Diagnostic Related Groups
(MS-DRG v30.0)
067 - Nonspecific Cva & Precerebral Occlusion W/o Infarct W Mcc
068 - Nonspecific Cva & Precerebral Occlusion W/o Infarct W/o Mcc
Chapter Diseases of the circulatory system (I00-I99)
Block Cerebrovascular diseases (I60-I69)
Parent I65 - Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 433.90 - Occlusion and stenosis of unspecified precerebral artery without mention of cerebral infarction (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I65.9:
I65.0 - Occlusion and stenosis of vertebral artery
I65.1 - Occlusion and stenosis of basilar artery
I65.2 - Occlusion and stenosis of carotid artery
I65.8 - Occlusion and stenosis of other precerebral arteries