E50.5 Description: Vitamin A deficiency with night blindness ↓
E50 Description: Vitamin A deficiency Exclude1:
sequelae of vitamin A deficiency (E64.1)
↓
E50-E64 Description: Other nutritional deficiencies (E50-E64) Exclude2:
nutritional anemias (D50-D53)
↓
E00-E89 Description: Endocrine, nutritional and metabolic diseases Exclude1:
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
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.