Other inflammatory polyneuropathies

This code signifies inflammatory conditions affecting multiple peripheral nerves that do not fit the criteria for more specific polyneuropathies like Guillain-Barré syndrome or chronic inflammatory demyelinating polyneuropathy (CIDP). It encompasses a range of less common or atypical inflammatory processes causing widespread nerve damage.

Use this code when documentation clearly indicates an inflammatory polyneuropathy that is not otherwise specified or classifiable to a more precise ICD-10-CM code. This typically applies when diagnostic workup rules out common inflammatory polyneuropathies but confirms an inflammatory etiology for the nerve damage.

• Ensure the physician's documentation explicitly states "inflammatory polyneuropathy" and clarifies it is not a more specific type.
• Avoid using this code if a more precise inflammatory polyneuropathy code (e.g., G61.0 for GBS, G61.1 for CIDP) is supported by the medical record.
• Always review the entire medical record for underlying causes or associated conditions that may require additional coding.