G45.4
BillableTransient global amnesia
Transient global amnesia
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Also Known As / Clinical Terms
SNOMED CT
- RA - Retrograde amnesia51921000
- Retrograde amnesia51921000
- Antegrade amnesia88822006
- Anterograde amnesia88822006
- Temporary loss of memory162200009
- Temporary memory loss162200009
- Transient amnesia162200009
- Transient memory loss162200009
- Transitory amnesia162200009
- TGA - transient global amnesia230736007
- Transient global amnesia230736007
UMLS
- Amnesia, Transient GlobalC0338591
- Global Amnesia, TransientC0338591
- TGA (Transient Global Amnesia)C0338591
- TGA - transient global amnesiaC0338591
- TGAs (Transient Global Amnesia)C0338591
- Transient Global AmnesiaC0338591
- Transient global amnesiaC0338591
- Transient global amnesia (finding)C0338591
- global transient amnesiaC0338591
- transient global amnesiaC0338591
Frequently Asked Questions
What is ICD-10 code G45.4?
ICD-10-CM code G45.4 represents "Transient global amnesia". It is a billable/specific code that can be used on a claim.
Is G45.4 a billable code?
Yes, G45.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G45.4 in?
G45.4 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G45.4?
G45.4 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal cerebral ischemia (P91.0); transient retinal artery occlusion (H34.0-); amnesia NOS (R41.3).
What SNOMED CT codes does G45.4 map to?
G45.4 maps to 4 SNOMED CT concepts: 88822006, 51921000, 230736007, 162200009. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G45.4?
G45.4 is linked to 1 UMLS Concept Unique Identifier: C0338591. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.