I66.2 - Occlusion and stenosis of posterior cerebral artery

Applicable to Occlusion and stenosis of posterior cerebral artery
The 2025 edition of ICD10-CM I66.2 became effective on October 1, 2024.
This is the American ICD10-CM version of I66.2 - other international versions of ICD10 I66.2 may differ.
I66.2 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I66.2 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

I66.2 - Occlusion and stenosis of posterior cerebral artery
- I66.2 - Occlusion and stenosis of posterior cerebral artery
- I66.21 - Occlusion and stenosis of right posterior cerebral artery
- I66.22 - Occlusion and stenosis of left posterior cerebral artery
- I66.23 - Occlusion and stenosis of bilateral posterior cerebral arteries
- I66.29 - Occlusion and stenosis of unspecified posterior cerebral artery

The following codes above I66.2 contain annotation back-references that may be applicable to I66.2:

Chapter: I00-I99 Diseases of the circulatory system

Section: I60-I69 Cerebrovascular diseases

Category: I66 Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction

posterior icd 10

cerebral icd 10

occlusion icd 10

stenosis icd 10

Non-Billable/Non-Specific Code

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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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