ICD-10-CM > E00-E89 > E08-E13 > E08 > E08.3 > E08.34 E08.34 Diabetes mellitus due to underlying condition with severe nonproliferative diabetic retinopathy Non-Billable/Non-Specific Codes E08.341Diabetes mellitus due to underlying condition with severe nonproliferative diabetic retinopathy with macular edemaE08.3411..., right eyeE08.3412..., left eyeE08.3413..., bilateralE08.3419..., unspecified eyeE08.349Diabetes mellitus due to underlying condition with severe nonproliferative diabetic retinopathy without macular edemaE08.3491..., right eyeE08.3492..., left eyeE08.3493..., bilateralE08.3499..., unspecified eye