Transient visual loss, left eye

This code represents a temporary, sudden, and often recurrent loss of vision specifically affecting the left eye. This transient monocular blindness, also known as amaurosis fugax, typically resolves completely within minutes. It is often a symptom of underlying vascular issues.

Use this code when documentation clearly indicates a patient experienced a temporary loss of vision in their left eye that subsequently resolved. This diagnosis is supported by patient history describing a sudden onset and resolution of monocular vision loss, often without other neurological deficits.

• Ensure the documentation specifies the left eye; otherwise, an unspecified or right eye code would be more appropriate.
• Do not use this code for permanent vision loss or for transient visual disturbances affecting both eyes (e.g., migraine aura).
• Always code any underlying systemic conditions (e.g., atherosclerosis, carotid artery stenosis) that are documented as the cause of the transient visual loss.