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Diagnosis Code

G45.4 TRANSIENT GLOBAL AMNESIA


Code Information

Diagnosis Code: G45.4

Short Description: Transient global amnesia

Long Description: Transient global amnesia

The code G45.4 is VALID for claim submission

Code Classification:

  • Diseases of the nervous system (G00–G99)
    • Episodic and paroxysmal disorders (G40-G47)
      • Transient cerebral ischemic attacks and related syndromes (G45)
        • G45.4 Transient global amnesia

Code Version: 2022 ICD-10-CM


Synonyms

  • Anterograde amnesia
  • Retrograde amnesia
  • Temporary loss of memory
  • Transient global amnesia

References to Index of Diseases and Injuries

The code G45.4 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • amnesia NOS (@R41.3*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G45.4 Right Arrow 437.7 Transient global amnesia

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G45 Transient cerebral ischemic attacks and related syndromes
G45.0 Vertebro-basilar artery syndrome
G45.1 Carotid artery syndrome (hemispheric)
G45.2 Multiple and bilateral precerebral artery syndromes
G45.3 Amaurosis fugax
G45.8 Other transient cerebral ischemic attacks and related syndromes
G45.9 Transient cerebral ischemic attack, unspecified

This page was last updated on: 10/1/2023

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