ICD-10-CM > E00-E89 > E08-E13 > E13 > E13.3 > E13.32 E13.32 Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy Non-Billable/Non-Specific Applicable To Other specified diabetes mellitus with nonproliferative diabetic retinopathy NOS Codes E13.321Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edemaE13.3211..., right eyeE13.3212..., left eyeE13.3213..., bilateralE13.3219..., unspecified eyeE13.329Other specified diabetes mellitus with mild nonproliferative diabetic retinopathy without macular edemaE13.3291..., right eyeE13.3292..., left eyeE13.3293..., bilateralE13.3299..., unspecified eye