ICD-10-CM Code G45.4
Transient global amnesia
Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.G45.4 is a billable ICD code used to specify a diagnosis of transient global amnesia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.
The ICD code G454 is used to code Transient global amnesia
Transient global amnesia (TGA) is a neurological disorder whose key defining characteristic is a temporary but almost total disruption of short-term memory with a range of problems accessing older memories. A person in a state of TGA exhibits no other signs of impaired cognitive functioning but recalls only the last few moments of consciousness, as well as deeply encoded facts of the individual’s past, such as his or her own name.
| Specialty: | Neurology |
| MeSH Code: | D020236 |
| ICD 9 Code: | 437.7 |
Coding Notes for G45.4 Info for medical coders on how to properly use this ICD-10 code
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Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here." - Amnesia NOS - instead, use code R41.3
MS-DRG Mapping
- DRG Group #070-072 - Nonspecific cerebrovascular disorders with MCC.
- DRG Group #070-072 - Nonspecific cerebrovascular disorders with CC.
- DRG Group #070-072 - Nonspecific cerebrovascular disorders without CC or MCC.
ICD-10-CM Alphabetical Index References for 'G45.4 - Transient global amnesia'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G45.4. Click on any term below to browse the alphabetical index.
Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)
This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 437.7 was previously used, G45.4 is the appropriate modern ICD10 code.
Parent Code: G45 - Transient cerebral ischemic attacks and related syndromes