E16.4 Description: Increased secretion of gastrin Inclusion Term:
Hypergastrinemia
Hyperplasia of pancreatic endocrine cells with gastrin excess
Zollinger-Ellison syndrome
↓
E16 Description: Other disorders of pancreatic internal secretion ↓
E15-E16 Description: Other disorders of glucose regulation and pancreatic internal secretion (E15-E16) ↓
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.