ICD-10-CM > E00-E89 > E08-E13 > E10 > E10.3 > E10.34 E10.34 Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy Non-Billable/Non-Specific Codes E10.341Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edemaE10.3411..., right eyeE10.3412..., left eyeE10.3413..., bilateralE10.3419..., unspecified eyeE10.349Type 1 diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edemaE10.3491..., right eyeE10.3492..., left eyeE10.3493..., bilateralE10.3499..., unspecified eye