Drug/chem diab with prolif diab rtnop with mclr edema, l eye

This code identifies diabetes mellitus caused by a drug or chemical, specifically affecting the left eye with advanced diabetic retinopathy characterized by new blood vessel growth (proliferative) and swelling in the macula. This condition can lead to severe vision impairment or blindness if not managed.

Apply this code when documentation clearly states drug or chemical-induced diabetes and specifies proliferative diabetic retinopathy with macular edema in the left eye. This diagnosis requires a confirmed causal link between medication/substance and the onset of diabetes.

• Always sequence the drug/chemical code (T36-T65) as the primary diagnosis, followed by this code.
• Ensure documentation specifies "left eye" and both "proliferative diabetic retinopathy" and "macular edema."
• Do not use this code for type 1 or type 2 diabetes with retinopathy; use the appropriate E10 or E11 codes instead.