ICD-10-CM > G00-G99 > G60-G65 > G61 G61 Inflammatory polyneuropathy Non-Billable/Non-Specific Codes G61.0Guillain-Barre syndromeG61.1Serum neuropathyG61.8Other inflammatory polyneuropathiesG61.81Chronic inflammatory demyelinating polyneuritisG61.82Multifocal motor neuropathyG61.89Other inflammatory polyneuropathiesG61.9Inflammatory polyneuropathy, unspecified