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G45.3

G45.3: Amaurosis fugax

Billable / specific codeICD-10-CM

G45.3 is a billable, specific ICD-10-CM code for amaurosis fugax. It is valid for submission on a claim.

Check G45.3 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above G45.3

A category’s note binds every code beneath it.

Written on G45: Transient cerebral ischemic attacks and related syndromes

  • neonatal cerebral ischemia (P91.0)
  • transient retinal artery occlusion (H34.0-)

Other codes that can never be billed with G45.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • H34Retinal vascular occlusions
  • H53.12Transient visual loss
  • H54Blindness and low vision
  • I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G45.3 is named in 49 Medicare coverage policies: 49 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)

Alphabetic index entries that lead here

  • Amaurosis›fugax

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G45

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.