All ICD10 Codes

E16.9

Billable
ChapterE00–E89
Ranksubcategory
Official Description

Disorder of pancreatic internal secretion, unspecified

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

Instructional Notes

Includes
  • Islet-cell hyperplasia NOS
  • Pancreatic endocrine cell hyperplasia NOS
General instructions are available for the parent sections:
View CH4 Notes

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E15-E16Other disorders of glucose regulation and pancreatic internal secretion (E15-E16)
E16Other disorders of pancreatic internal secretion
E16.9Disorder of pancreatic internal secretion, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E16.9:

chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 643
Endocrine Disorders with MCC
DRG 644
Endocrine Disorders with CC
DRG 645
Endocrine Disorders without CC/MCC

Cross Reference

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