E16.9

HCC Category Mapping

What This Code Means

A disorder of pancreatic hormone production or regulation, but the specific type is not identified.

Coding Tips

• •This is an unspecified code; query the provider to identify the specific pancreatic endocrine disorder
• •Use only when the specific disorder cannot be determined from available documentation

Clinical Significance

E16.9 identifies unspecified disorder of pancreatic internal secretion. This nonspecific code indicates that a pancreatic endocrine dysfunction exists but has not been further characterized. It may be used during initial workup before a definitive diagnosis is established, but should be replaced with a more specific code once the condition is identified.

Documentation Requirements

• ✓Documentation should indicate suspected or confirmed pancreatic endocrine dysfunction.
• ✓Laboratory studies (insulin, glucagon, gastrin, or other pancreatic hormone levels) and clinical findings should be present.
• ✓The provider should be queried for additional specificity whenever possible.

Commonly Confused Codes