ICD-10-CM > H00-H59 > H30-H36 > H33 > H33.1 > H33.19 H33.19 Other retinoschisis and retinal cysts Non-Billable/Non-Specific Applicable To Pseudocyst of retina Codes H33.191Other retinoschisis and retinal cysts, right eyeH33.192Other retinoschisis and retinal cysts, left eyeH33.193Other retinoschisis and retinal cysts, bilateralH33.199Other retinoschisis and retinal cysts, unspecified eye