ICD-10-CM>E00-E89>E50-E64>E51E51Thiamine deficiencyNon-Billable/Non-SpecificType 1 Excludessequelae of thiamine deficiency (E64.8)CodesE51.1BeriberiE51.11Dry beriberiE51.12Wet beriberiE51.2Wernicke's encephalopathyE51.8Other manifestations of thiamine deficiencyE51.9Thiamine deficiency, unspecified