ICD-10-CM · Chapter 4 · E00-E89
E51 Thiamine deficiency
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