E16.9 – Disorder of pancreatic internal secretion, unspecified
ICD-10-CM 2027 diagnosis code · Other disorders of glucose regulation and pancreatic internal secretion
ICD-10-CM code
E16.9
- Code
E16.9(claims format:E169)- Description
- Disorder of pancreatic internal secretion, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E15-E16 Other disorders of glucose regulation and pancreatic internal secretion
- Parent codes
- E16
Notes for E16.9
Applicable to:
- Islet-cell hyperplasia NOS
- Pancreatic endocrine cell hyperplasia NOS
Index terms for E16.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in E16
- E16.0 – Drug-induced hypoglycemia without comaBillable
- E16.1 – Other hypoglycemiaBillable
- E16.2 – Hypoglycemia, unspecifiedBillable
- E16.3 – Increased secretion of glucagonBillable
- E16.4 – Increased secretion of gastrinBillable
- E16.8 – Other specified disorders of pancreatic internal secretionBillable
- E16.A – Hypoglycemia levelHeader
Frequently asked questions
What is ICD-10 code E16.9?
E16.9 is the ICD-10-CM code for disorder of pancreatic internal secretion, unspecified, in the block E15-E16 (Other disorders of glucose regulation and pancreatic internal secretion).
Is E16.9 a billable code?
Yes. E16.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does E16.9 belong to?
It belongs to category E16 – Other disorders of pancreatic internal secretion.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.