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ICD-10-CM Current in FY 2027

G45.1

Carotid artery syndrome (hemispheric)

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where G45.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. G45 Parent Transient cerebral ischemic attacks and related syndromes
  2. G45.1 This code Carotid artery syndrome (hemispheric)

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

neonatal cerebral ischemia ( P91.0 )

Inherited from G45 — Transient cerebral ischemic attacks and related syndromes

Excludes1

transient retinal artery occlusion ( H34.0- )

Inherited from G45 — Transient cerebral ischemic attacks and related syndromes

Version History

How G45.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Carotid artery syndrome (hemispheric)

  2. FY 2026 Effective

    Unchanged

    Carotid artery syndrome (hemispheric)

Related Codes

Other codes under G45

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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