E52
Niacin deficiency [pellagra]
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
sequelae of niacin deficiency (E64.8)
Niacin (-tryptophan) deficiency Nicotinamide deficiency Pellagra (alcoholic)
nutritional anemias (D50-D53)
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
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 E52
FY 2026 ›Find E52 in the alphabetic index
25 index paths lead to this code
- Niacin deficiency
- Nicotinic acid deficiency
- Pellagra
- Alcohol, alcoholic, alcohol-induced › pellagra
- Avitaminosis › nicotinic acid
- Cheilosis › with pellagra
- Deficiency, deficient › niacin
- Deficiency, deficient › nicotinamide
- Deficiency, deficient › nicotinic acid
- Dermatitis › pellagrous
- Encephalopathy › pellagrous
- Erythema, erythematous › endemic
- Gingivitis › pellagrous
- Glossitis › pellagrous
- Syndrome › pellagroid
- Acid › deficiency › amide nicotinic
- Acid › deficiency › nicotinic
- Deficiency, deficient › vitamin NOS › nicotinic
- Deficiency, deficient › vitamin NOS › PP
- Dementia › in › niacin deficiency
- Dementia › in › pellagra
- Pellagra › with › polyneuropathy
- Polioencephalopathy, superior hemorrhagic › with › pellagra
- Polyneuropathy › in › pellagra
- Avitaminosis › B › with › pellagra