ICD-10-CM > E00-E89 > E08-E13 > E13 > E13.3 > E13.31 E13.31 Other specified diabetes mellitus with unspecified diabetic retinopathy Non-Billable/Non-Specific Codes E13.311Other specified diabetes mellitus with unspecified diabetic retinopathy with macular edemaE13.319Other specified diabetes mellitus with unspecified diabetic retinopathy without macular edema