E16.4Abnormal secretion of gastrin
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Official Vietnamese name
- Tiết gastrin bất thường
- Additional WHO coding guidance
- Hypergastrinaemia Zollinger-Ellison syndrome
Related E16 codes
E16
Other disorders of pancreatic internal secretion
E16.0
Primary diagnosis candidate
Drug-induced hypoglycaemia without coma
E16.1
Primary diagnosis candidate
Other hypoglycaemia
E16.2
Primary diagnosis candidate
Hypoglycaemia, unspecified
E16.3
Primary diagnosis candidate
Increased secretion of glucagon
E16.8
Primary diagnosis candidate
Other specified disorders of pancreatic internal secretion
E16.9
Primary diagnosis candidate
Disorder of pancreatic internal secretion, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
