ICD-10-CM > E00-E89 > E08-E13 > E11 > E11.3 > E11.33 > E11.339 E11.339 Type 2 diabetes mellitus with moderate nonproliferative diabetic retinopathy without macular edema Non-Billable/Non-Specific Codes E11.3391..., right eyeE11.3392..., left eyeE11.3393..., bilateralE11.3399..., unspecified eye