ICD-10-CM > E00-E89 > E08-E13 > E10 > E10.3 > E10.33 E10.33 Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy Non-Billable/Non-Specific Codes E10.331Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy with macular edemaE10.3311..., right eyeE10.3312..., left eyeE10.3313..., bilateralE10.3319..., unspecified eyeE10.339Type 1 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edemaE10.3391..., right eyeE10.3392..., left eyeE10.3393..., bilateralE10.3399..., unspecified eye