E51.2
Wernicke's encephalopathy
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from E51Thiamine deficiency
Excludes 1
sequelae of thiamine deficiency (E64.8)
Inherited from E50-E64Other nutritional deficiencies
Excludes 2
nutritional anemias (D50-D53)
Inherited from chapter 4Endocrine, nutritional and metabolic diseases
Excludes 1
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Note
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Official Guidelines for E51.2
FY 2026 ›Find E51.2 in the alphabetic index
11 index paths lead to this code
- Polioencephalopathy, superior hemorrhagic
- Encephalopathy › Wernicke's
- Hemorrhage, hemorrhagic › polioencephalitis, superior
- Polioencephalitis › superior hemorrhagic
- Polioencephalitis › Wernicke's
- Polioencephalomyelitis › with beriberi
- Wernicke's › disease or syndrome
- Wernicke's › encephalopathy
- Wernicke's › polioencephalitis, superior
- Encephalopathy › vitamin B deficiency NEC › vitamin B1
- Degeneration, degenerative › brain › in › beriberi