ICD-10-CM > G00-G99 > G60-G65 > G65 G65 Sequelae of inflammatory and toxic polyneuropathies Non-Billable/Non-Specific Code First condition resulting from (sequela) of inflammatory and toxic polyneuropathies Codes G65.0Sequelae of Guillain-Barré syndromeG65.1Sequelae of other inflammatory polyneuropathyG65.2Sequelae of toxic polyneuropathy