Question: How should I code for a patient with nonproliferative diabetic retinopathy? -- Arkansas Subscriber Answer: The diagnosis code you report depends on the retinopathy's severity. ICD-9 has several codes to describe the condition. Do this: Check the medical record to see if you can find any more information on the type of retinopathy. Then, choose one of the following diagnosis codes: • 362.03 -- Nonproliferative diabetic retinopathyNOS • 362.04 -- Mild nonproliferative diabetic retinopathy • 362.05 -- Moderate nonproliferative diabetic retinopathy • 362.06 -- Severe nonproliferative diabetic retinopathy. If there is no further information regarding the nature of the nonproliferative diabetic retinopathy, then your coding will be: • 250.50 -- Diabetes with ophthalmic manifestations, Type II or unspecified type, not stated as uncontrolled • 362.03.