I63.21 - Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries

The ICD 10 Code for Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries is listed as I63.21.
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:	I63.21
Description:	Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries

Chapter	Diseases of the circulatory system (I00-I99)
Block	Cerebrovascular diseases (I60-I69)
Parent	I63.2 - Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
ICD-10-CM Children (deeper level / typically more specific) of I63.21:
I63.211 - Cerebral infarction due to unspecified occlusion or stenosis of right vertebral arteries
I63.212 - Cerebral infarction due to unspecified occlusion or stenosis of left vertebral arteries
I63.219 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral arteries
ICD-10-CM Siblings (same level / similar specificity) of I63.21:
I63.20 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
I63.22 - Cerebral infarction due to unspecified occlusion or stenosis of basilar arteries
I63.23 - Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries
I63.29 - Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries