C25.9
BillableMalignant neoplasm of pancreas, unspecified
HCC Category Mapping
V28HCC 20 — Lung and Other Severe Cancers
0.000V24HCC 9 — Lung and Other Severe Cancers
0.973ESRDHCC 9 — Lung and Other Severe Cancers
0.000RxHCCHCC 20 — Cancer, Liver and Intrahepatic Bile Duct
0.000What This Code Means
Pancreatic cancer where the exact location within the pancreas has not been specified or determined.
Coding Tips
- •This is a less specific code; use only when the exact pancreatic site cannot be determined from documentation
- •Query the provider if more specific location information is available to allow for more precise coding
Clinical Significance
Unspecified pancreatic cancer is used when documentation confirms malignancy but lacks anatomical specificity. Pancreatic cancer carries one of the highest mortality rates among solid tumors, making it critical for risk adjustment. However, this unspecified code may trigger audit scrutiny — providers should be queried for greater specificity whenever possible.
Documentation Requirements
- ✓Pathology or clinical confirmation of pancreatic malignancy
- ✓Evidence that more specific site information is not available after provider query
- ✓Current treatment status (active treatment, surveillance, hospice)
- ✓Stage if known
- ✓Documentation explaining why specific site cannot be determined
Commonly Confused Codes
C25.0 — Head of pancreas: Most pancreatic cancers arise in the head — review imaging and surgical notes before defaulting to C25.9C25.1 — Body of pancreas and C25.2 — Tail of pancreas: Review all available records for anatomical detailZ85.07 — Personal history of malignant neoplasm of pancreas: Use when cancer is no longer active and treatment is completeD13.6 — Benign neoplasm of pancreas: Ensure malignancy is confirmed before coding any C25 code
Code Hierarchy
└C25Malignant neoplasm of pancreas└C25.9Malignant neoplasm of pancreas, unspecified
└C25.9Malignant neoplasm of pancreas, unspecified