G45

G45: Transient cerebral ischemic attacks and related syndromes

Non-billable headerICD-10-CM

G45 is a non-billable header ICD-10-CM code for transient cerebral ischemic attacks and related syndromes. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Other codes that can never be billed with G45

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
R29.5Transient paralysis
R41.3Other amnesia

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead G45

7 child codes. Green means billable.