ICD-10-CM > E00-E89 > E08-E13 > E13 > E13.3 > E13.34 E13.34 Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy Non-Billable/Non-Specific Codes E13.341Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy with macular edemaE13.3411..., right eyeE13.3412..., left eyeE13.3413..., bilateralE13.3419..., unspecified eyeE13.349Other specified diabetes mellitus with severe nonproliferative diabetic retinopathy without macular edemaE13.3491..., right eyeE13.3492..., left eyeE13.3493..., bilateralE13.3499..., unspecified eye