Type 1 diab with mild nonp rtnop without mclr edema, l eye

This code signifies a diagnosis of Type 1 diabetes where the patient has developed mild nonproliferative diabetic retinopathy in their left eye, specifically without any associated macular edema. Nonproliferative retinopathy involves microaneurysms, hemorrhages, and exudates, but not new blood vessel growth. The "mild" classification indicates the least severe form of nonproliferative changes.

This code is appropriate when documentation confirms Type 1 diabetes and an ophthalmological examination reveals mild nonproliferative diabetic retinopathy affecting only the left eye, with explicit notation that macular edema is absent. It should be used when the physician's assessment clearly distinguishes the severity and laterality of the retinopathy.

• Ensure the documentation specifies "Type 1" diabetes and "mild" nonproliferative retinopathy.
• Verify that the retinopathy is explicitly noted as affecting the "left eye" and that "macular edema" is absent.
• Do not use this code if the retinopathy is moderate, severe, proliferative, or if macular edema is present, even if mild.