G45.9
ICD-10BillableTransient cerebral ischemic attack, unspecified
Official ICD-10-CM descriptor (FY2026)
Transient cerebral ischemic attack, unspecified
G45.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Spasm of cerebral artery
- TIA
- Transient cerebral ischemia NOS
Related codes in G45
Where this code sits
- Parent code
- G45
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.