G45.4
BillableTransient global amnesia
G45.4 is the ICD-10-CM code for Transient global amnesia. It is a billable, specific code valid for reimbursement.
G00-G99 Diseases of the nervous system
What this means — in plain language
MedlinePlus · NIHEvery day, you have different experiences and you learn new things. Your brain cannot store all of that information, so it has to decide what is worth remembering. Memory is the process of storing and then remembering this information. There are different types of memory. Short-term memory stores information for a few seconds or minutes. Long-term memory stores it for a longer period of time. Memory doesn't always…
Read more about Memory at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •amnesia NOS (R41.3)
Frequently asked questions
- What is ICD-10 code G45.4?
- G45.4 is the ICD-10-CM code for "Transient global amnesia". It falls under G00-G99 Diseases of the nervous system.
- Is G45.4 a billable code?
- Yes — G45.4 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from G45.4?
- Excludes1 (not coded here): amnesia NOS (R41.3).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition