2024 ICD-10-CM Diagnosis Code I65.8

Occlusion and stenosis of other precerebral arteries

ICD-10-CM Code:
ICD-10 Code for:
Occlusion and stenosis of other precerebral arteries
Is Billable?
Yes - Valid for Submission
Chronic Condition Indicator: [1]
Code Navigator:

Code Classification

  • Diseases of the circulatory system
    • Cerebrovascular diseases
      • Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction

I65.8 is a billable diagnosis code used to specify a medical diagnosis of occlusion and stenosis of other precerebral arteries. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Abducens nerve palsy
  • Anterior choroidal artery thrombosis
  • Bilateral occlusion of pontine arteries
  • Embolism of internal auditory artery
  • Multiple AND bilateral precerebral artery stenosis
  • Occlusion of anterior choroidal artery
  • Occlusion of internal auditory artery
  • Occlusion of left pontine artery
  • Occlusion of left posterior communicating artery
  • Occlusion of right pontine artery
  • Occlusion of right posterior communicating artery
  • Pontine artery occlusion
  • Pontine artery occlusion
  • Pontine artery occlusion
  • Raymond-Cestan syndrome

Clinical Classification

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Convert I65.8 to ICD-9-CM

  • ICD-9-CM Code: 433.80 - Ocl spcf art wo infrct
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.


[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.