Mononeuropathy, unspecified

This code describes a condition involving damage to a single peripheral nerve, resulting in sensory, motor, or autonomic dysfunction in the distribution of that nerve. It indicates that the specific cause or type of mononeuropathy has not been identified or documented.

Use this code when a patient presents with symptoms consistent with mononeuropathy, but the physician's documentation does not specify the affected nerve (e.g., median, ulnar, peroneal) or the underlying etiology. This code is appropriate when the diagnosis is confirmed as mononeuropathy, but further specificity is lacking in the medical record.

• Avoid using this code if a more specific mononeuropathy code (e.g., G56.0- for carpal tunnel syndrome) can be assigned based on documentation.
• Query the provider for greater specificity regarding the affected nerve and etiology whenever possible.
• This code should be used as a last resort when no other specific mononeuropathy code is supported by the medical record.