E16Header code — not billable

Other disorders of pancreatic internal secretion

Chapter
4. Endocrine, nutritional and metabolic diseases
Category
E16
Effective date
October 1, 2026

Related codes in category E16

Frequently asked questions

What is ICD-10 code E16?

E16 is an ICD-10-CM diagnosis code for Other disorders of pancreatic internal secretion.

Is E16 a billable code?

No. E16 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is E16 in?

E16 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.

When did E16 become effective?

E16 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to E16?

E16 belongs to category E16, which includes 11 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.