Oth diab with severe nonp rtnop with macular edema, left eye

This code signifies a diagnosis of other specified diabetes mellitus complicated by severe nonproliferative diabetic retinopathy (NPDR) affecting the left eye, specifically with the presence of macular edema. It indicates a significant stage of diabetic eye disease where the retina shows extensive damage without new vessel growth, and fluid leakage has accumulated in the macula, impacting central vision.

Use this code when documentation confirms a patient has a type of diabetes mellitus other than Type 1 or Type 2 (e.g., secondary diabetes due to pancreatitis or drug-induced diabetes) and presents with severe NPDR in the left eye, along with clinically significant macular edema. Supporting documentation should include ophthalmological exam findings, such as fundus photography, optical coherence tomography (OCT) scans confirming macular edema, and a clear diagnosis of the underlying diabetes type.

• Always code the underlying type of diabetes first, followed by this complication code.
• Ensure laterality is accurately documented (left eye in this case); codes exist for right eye, bilateral, and unspecified.
• Distinguish between nonproliferative and proliferative diabetic retinopathy, as different codes apply.