I66.9 - Occlusion and stenosis of unspecified cerebral artery

The ICD 10 Code for Occlusion and stenosis of unspecified cerebral artery is listed as I66.9.
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:	I66.9
Description:	Occlusion and stenosis of unspecified cerebral artery
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 793 - Full Term Neonate W Major Problems

Chapter	Diseases of the circulatory system (I00-I99)
Block	Cerebrovascular diseases (I60-I69)
Parent	I66 - Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code:	434.10 - Cerebral embolism without mention of cerebral infarction (approximate)
ICD 9 Dx Code:	434.90 - Cerebral artery occlusion, unspecified without mention of cerebral infarction (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I66.9:
I66.0 - Occlusion and stenosis of middle cerebral artery
I66.1 - Occlusion and stenosis of anterior cerebral artery
I66.2 - Occlusion and stenosis of posterior cerebral artery
I66.3 - Occlusion and stenosis of cerebellar arteries
I66.8 - Occlusion and stenosis of other cerebral arteries