E51 Thiamine deficiency

Category / Non-billable header 6 subcodes

Block: Other nutritional deficiencies (E50-E64)

Excludes 1 (cannot be coded together)

  • sequelae of thiamine deficiency (E64.8)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
E51..1 Beriberi No
E51..11 Dry beriberi Yes
E51..12 Wet beriberi Yes
E51..2 Wernicke's encephalopathy Yes
E51..8 Other manifestations of thiamine deficiency Yes
E51..9 Thiamine deficiency, unspecified Yes

Last reviewed: September 2026