E52Billable / specificArchived

Niacin deficiency [pellagra]

Reference checks do not establish clinical appropriateness or guarantee reimbursement.

HierarchyE50-E64 · E52

Code-level instructions

Includes
  • Niacin (-tryptophan) deficiency
  • Nicotinamide deficiency
  • Pellagra (alcoholic)
Excludes 1

sequelae of niacin deficiency (E64.8)

Inherited instructions

Chapters 4 · Endocrine, nutritional and metabolic diseases (E00-E89)

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.

E50-E64 · Other nutritional deficiencies (E50-E64)

Excludes 2

nutritional anemias (D50-D53)

Code edition