ICD-10-CM > E00-E89 > E08-E13 > E08 > E08.3 > E08.33 > E08.331 E08.331 Diabetes mellitus due to underlying condition with moderate nonproliferative diabetic retinopathy with macular edema Non-Billable/Non-Specific Codes E08.3311..., right eyeE08.3312..., left eyeE08.3313..., bilateralE08.3319..., unspecified eye