Retinal vasculitis, left eye

This code identifies inflammation of the blood vessels in the retina of the left eye. Retinal vasculitis can affect arteries, veins, or capillaries, leading to various visual disturbances and potentially severe vision loss if untreated. It is often a manifestation of systemic inflammatory or infectious diseases.

Assign this code when documentation specifies inflammation of the retinal vasculature affecting the left eye. This diagnosis is typically supported by ophthalmological examination findings such as perivascular sheathing, hemorrhages, or exudates, along with imaging like fluorescein angiography confirming vascular leakage or occlusion.

• Ensure laterality is clearly documented as "left eye" to support this specific code.
• Investigate underlying systemic conditions (e.g., autoimmune diseases, infections) as these may require additional coding.
• Differentiate from other forms of retinitis or chorioretinitis where the primary inflammation is not vascular.