2020 ICD-10-CM Diagnosis Code G45.3

Amaurosis fugax

    2016 2017 2018 2019 2020 Billable/Specific Code
  • G45.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM G45.3 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of G45.3 - other international versions of ICD-10 G45.3 may differ.
The following code(s) above G45.3 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G45.3:
  • G00-G99
    2020 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • 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)
    Diseases of the nervous system
  • G45
    ICD-10-CM Diagnosis Code G45

    Transient cerebral ischemic attacks and related syndromes

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • neonatal cerebral ischemia (P91.0)
    • transient retinal artery occlusion (H34.0-)
    Transient cerebral ischemic attacks and related syndromes
Approximate Synonyms
  • Amaurosis fugax (one sided temporary vision loss)
  • Amaurosis fugax of left eye
  • Amaurosis fugax of right eye
  • Left amaurosis fugax
  • Right amaurosis fugax
Clinical Information
  • Transient complete or partial monocular blindness due to retinal ischemia. This may be caused by emboli from the carotid artery (usually in association with carotid stenosis) and other locations that enter the central retinal artery. (from Adams et al., Principles of Neurology, 6th ed, p245)
  • Transient loss of vision in one eye due to retinal ischemia.
ICD-10-CM G45.3 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 123 Neurological eye disorders

Convert G45.3 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
Code annotations containing back-references to G45.3:
  • Type 1 Excludes: H34
    , H53.12
    , H54
    ICD-10-CM Diagnosis Code H34

    Retinal vascular occlusions

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    ICD-10-CM Diagnosis Code H53.12

    Transient visual loss

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Scintillating scotoma
    Type 1 Excludes
    • amaurosis fugax (G45.3-)
    • transient retinal artery occlusion (H34.0-)
    ICD-10-CM Diagnosis Code H54

    Blindness and low vision

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code First
    • any associated underlying cause of the blindness
    Note
    • For definition of visual impairment categories see table below
    Type 1 Excludes

Diagnosis Index entries containing back-references to G45.3:

ICD-10-CM Codes Adjacent To G45.3
G44.81 Hypnic headache
G44.82 Headache associated with sexual activity
G44.83 Primary cough headache
G44.84 Primary exertional headache
G44.85 Primary stabbing headache
G44.89 Other headache syndrome
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
G45.4 Transient global amnesia
G45.8 Other transient cerebral ischemic attacks and related syndromes
G45.9 Transient cerebral ischemic attack, unspecified
G46 Vascular syndromes of brain in cerebrovascular diseases
G46.0 Middle cerebral artery syndrome
G46.1 Anterior cerebral artery syndrome
G46.2 Posterior cerebral artery syndrome
G46.3 Brain stem stroke syndrome
G46.4 Cerebellar stroke syndrome
G46.5 Pure motor lacunar syndrome

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.