I66.1 - Occlusion and stenosis of anterior cerebral artery

  • Applicable to Occlusion and stenosis of anterior cerebral artery
  • The 2025 edition of ICD10-CM I66.1 became effective on October 1, 2024.
  • This is the American ICD10-CM version of I66.1 - other international versions of ICD10 I66.1 may differ.
  • I66.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • I66.1 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.
  • I66.1 - Occlusion and stenosis of anterior cerebral artery
    • I66.1 - Occlusion and stenosis of anterior cerebral artery
    • I66.11 - Occlusion and stenosis of right anterior cerebral artery
    • I66.12 - Occlusion and stenosis of left anterior cerebral artery
    • I66.13 - Occlusion and stenosis of bilateral anterior cerebral arteries
    • I66.19 - Occlusion and stenosis of unspecified anterior cerebral artery

The following codes above I66.1 contain annotation back-references that may be applicable to I66.1:

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

artery icd 10
 
cerebral icd 10
 
anterior icd 10
 
occlusion icd 10
 
stenosis icd 10
 
Non-Billable/Non-Specific Code

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