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

This code signifies a patient diagnosed with Type 1 diabetes who also presents with severe nonproliferative diabetic retinopathy affecting their left eye, specifically without any associated macular edema. This represents a significant microvascular complication of diabetes impacting the retina.

Apply this code when documentation clearly states Type 1 diabetes and severe nonproliferative diabetic retinopathy is present in the left eye, with explicit confirmation that macular edema is absent. This is typically supported by ophthalmological examination reports, including fundus photography or OCT scans.

• Ensure the documentation specifies "severe nonproliferative" and not moderate or mild.
• Verify the affected eye is explicitly stated as the "left eye" and that macular edema is ruled out.
• Always sequence the diabetes code first, as it is the underlying systemic condition causing the retinopathy.