E51 - Thiamine deficiency
Excludes 1:
-sequelae of thiamine deficiency E64.8)
E51.1 - Beriberi
E51.11 - Dry beriberi
E51.12 - Wet beriberi
E51.2 - Wernicke's encephalopathy
E51.8 - Other manifestations of thiamine deficiency
E51.9 - Thiamine deficiency, unspecified