Instruction Source: E52
Niacin deficiency [pellagra]
Excludes 1 (Mutually Exclusive)
- sequelae of niacin deficiency (E64.8)
Instruction Source: E50-E64
Other nutritional deficiencies (E50-E64)
Excludes 2 (Not Included Here)
- nutritional anemias (D50-D53)
Instruction Source: E00-E89
Endocrine, nutritional and metabolic diseases
Excludes 1 (Mutually Exclusive)
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Clinical Notes
- 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.