H33.123
BillableParasitic cyst of retina, bilateral
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Cysts in the retina of both eyes caused by parasitic infections.
Coding Tips
- •Bilateral parasitic cysts suggest systemic parasitic disease; ensure the primary parasitic infection is coded
- •Use this code only when documentation explicitly confirms bilateral retinal involvement
Code Hierarchy
└H33Retinal detachments and breaks└H33.1Retinoschisis and retinal cysts└H33.12Parasitic cyst of retina└H33.123Parasitic cyst of retina, bilateral
└H33.123Parasitic cyst of retina, bilateral