ICD-10-CM E16.4 is the diagnosis code for Increased secretion of gastrin. This code falls under the section "Other disorders of glucose regulation and pancreatic internal secretion" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where E16.4 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, E16.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
E16.4 is the ICD-10-CM diagnosis code for "Increased secretion of gastrin". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of E16.4 is E16 ("Other disorders of pancreatic internal secretion"). E16.4 provides a more specific classification within this category.
E16.4 is located in Section E15-E16 — "Other disorders of glucose regulation and pancreatic internal secretion" within Chapter 4 of the ICD-10-CM Tabular List.
Use E16.4 when the patients documented diagnosis matches "Increased secretion of gastrin" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Increased secretion of gastrin is E16.4.
Yes, E16.4 can be used as a primary diagnosis code since it is billable and specific.
E16.4 is in Chapter 4 of the ICD-10-CM Tabular List.
Yes, E16.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.