ICD-10 Code E11.41 – Type 2 diabetes mellitus with diabetic mononeuropathy (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code E11.41 – Type 2 diabetes mellitus with diabetic mononeuropathy
What it is
This code identifies type 2 diabetes complicated by diabetic mononeuropathy, meaning damage to a single peripheral nerve linked to diabetes. Use it when the record clearly ties the nerve problem to diabetes.
Clinical signs
Findings may include numbness, pain, weakness, or loss of function in the distribution of one affected nerve. Clinical features vary; refer to documentation for the specific nerve involved and whether diabetes is documented as the cause.
When to use this code
Use E11.41 when the provider documents type 2 diabetes with diabetic mononeuropathy or diabetic nerve palsy affecting one nerve. It is appropriate when the note links the neuropathy to diabetes rather than another cause. If the documentation is unclear, check documentation.
Do not use for
Do not use this code for generalized diabetic polyneuropathy, other diabetic neurologic complications, or neuropathy with no diabetes link. Also avoid it when the nerve disorder is due to trauma, compression, or another documented cause.
Coding tip
Confirm both the type 2 diabetes diagnosis and the provider’s explicit connection to mononeuropathy before assigning E11.41.