ICD-10-CM > E00-E89 > E08-E13 > E08 > E08.3 > E08.33 E08.33 Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy Non-Billable/Non-Specific Codes E08.331Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edemaE08.3311..., right eyeE08.3312..., left eyeE08.3313..., bilateralE08.3319..., unspecified eyeE08.339Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy without macular edemaE08.3391..., right eyeE08.3392..., left eyeE08.3393..., bilateralE08.3399..., unspecified eye