Diabetes due to undrl condition w diabetic mononeuropathy

This code signifies a type of diabetes that develops as a consequence of another underlying medical condition, specifically when this diabetes leads to a single nerve (mononeuropathy) dysfunction. The mononeuropathy is a direct complication of the diabetes, which itself is secondary to a primary disease process.

Apply this code when documentation clearly indicates diabetes caused by an underlying condition (e.g., pancreatitis, cystic fibrosis, hemochromatosis) and the patient presents with a diabetic mononeuropathy. Supporting documentation should specify both the underlying condition causing the diabetes and the neurological findings consistent with mononeuropathy.

• Always sequence the underlying condition first, followed by this code.
• Distinguish from type 1 or type 2 diabetes with mononeuropathy; this code is specifically for secondary diabetes.
• Ensure documentation specifies "mononeuropathy" and not polyneuropathy or other neurological complications.