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Diagnosis Code

I65.9 OCCLUSION AND STENOSIS OF UNSPECIFIED PRECEREBRAL ARTERY


Code Information

Diagnosis Code: I65.9

Short Description: Occlusion and stenosis of unspecified precerebral artery

Long Description: Occlusion and stenosis of unspecified precerebral artery

The code I65.9 is VALID for claim submission

Code Classification:

  • Diseases of the circulatory system (I00–I99)
    • Cerebrovascular diseases (I60-I69)
      • Occls and stenosis of precerb art, not rslt in cereb infrc (I65)
        • I65.9 Occlusion and stenosis of unspecified precerebral artery

Code Version: 2022 ICD-10-CM


Synonyms

  • Embolism of multiple and bilateral precerebral arteries
  • Embolism of precerebral artery
  • Multiple and bilateral precerebral arterial occlusion
  • Multiple AND bilateral precerebral artery obstruction
  • Multiple AND bilateral precerebral artery stenosis
  • Multiple and bilateral precerebral artery stenosis without infarction
  • Multiple AND bilateral precerebral artery thrombosis
  • Obstruction of precerebral artery
  • Postoperative thromboembolism of precerebral artery
  • Precerebral arterial occlusion
  • Stenosis of precerebral artery
  • Thromboembolus of precerebral artery
  • Thromboembolus of precerebral artery
  • Thrombosis of precerebral artery

References to Index of Diseases and Injuries

The code I65.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Occlusion and stenosis of precerebral artery NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I65.9 Right Arrow 433.90 Ocl art NOS wo infrct

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
I65 Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
I65.0 Occlusion and stenosis of vertebral artery
I65.01 Occlusion and stenosis of right vertebral artery
I65.02 Occlusion and stenosis of left vertebral artery
I65.03 Occlusion and stenosis of bilateral vertebral arteries
I65.09 Occlusion and stenosis of unspecified vertebral artery
I65.1 Occlusion and stenosis of basilar artery
I65.2 Occlusion and stenosis of carotid artery
I65.21 Occlusion and stenosis of right carotid artery
I65.22 Occlusion and stenosis of left carotid artery
I65.23 Occlusion and stenosis of bilateral carotid arteries
I65.29 Occlusion and stenosis of unspecified carotid artery
I65.8 Occlusion and stenosis of other precerebral arteries

This page was last updated on: 10/1/2023

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