Drug/chem diab with mild nonp rtnop w/o mclr edema, r eye

This code describes a form of diabetes mellitus that has been caused by a drug or chemical, specifically presenting with early-stage diabetic retinopathy in the right eye. The retinopathy is characterized by microaneurysms and hemorrhages without new vessel growth, and importantly, there is no swelling of the macula.

Use this code when documentation clearly indicates diabetes mellitus as a direct result of medication or chemical exposure, and an ophthalmological examination confirms mild nonproliferative diabetic retinopathy affecting only the right eye, with no evidence of macular edema. This code is appropriate for patients whose diabetes onset is directly linked to a specific drug or chemical agent.

• Always identify the specific drug or chemical causing the diabetes and code it as an adverse effect (T36-T50 with 5th or 6th character 5) or poisoning (T36-T65 with 5th or 6th character 1-4), sequenced after the diabetes code.
• Ensure the documentation explicitly states "mild nonproliferative" and "without macular edema" for the right eye; otherwise, a different retinopathy code may be more appropriate.
• Distinguish this from type 1 or type 2 diabetes; the etiology must be drug or chemical induced.