ICD-10-CM > E00-E89 > E08-E13 > E10 > E10.3 > E10.32 E10.32 Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy Non-Billable/Non-Specific Applicable To Type 1 diabetes mellitus with nonproliferative diabetic retinopathy NOS Codes E10.321Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edemaE10.3211..., right eyeE10.3212..., left eyeE10.3213..., bilateralE10.3219..., unspecified eyeE10.329Type 1 diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edemaE10.3291..., right eyeE10.3292..., left eyeE10.3293..., bilateralE10.3299..., unspecified eye