2024 ICD-10-CM Diagnosis Code C25.9

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Malignant neoplasm of pancreas, unspecified

  • C25.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM C25.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C25.9 – other international versions of ICD-10 C25.9 may differ.

The following code(s) above C25.9 contain annotation back-references

 that may be applicable to C25.9:

  • C00-D49  Neoplasms
  • C15-C26  Malignant neoplasms of digestive organs
  • C25  Malignant neoplasm of pancreas

Approximate Synonyms

  • Cancer of the pancreas, adenocarcinoma
  • Cancer of the pancreas, primary
  • Mucinous cystadenocarcinoma of pancreas
  • Primary adenocarcinoma of pancreas
  • Primary malignant neoplasm of pancreas
  • Primary sarcoma of pancreas
  • Sarcoma, pancreas
  • Serous cystadenocarcinoma of pancreas

Clinical Information

  • A primary or metastatic malignant tumor involving the pancreas. Representative examples include carcinoma and lymphoma.
  • The pancreas is a gland behind your stomach and in front of your spine. It produces juices that help break down food and hormones that help control blood sugar levels. Cancer of the pancreas is the fourth-leading cause of cancer death in the United States Some risk factors for developing pancreatic cancer include
    • smoking
    • long-term diabetes
    • chronic pancreatitis
    • certain hereditary disorders
    pancreatic cancer is hard to catch early. It doesn’t cause symptoms right away. When you do get symptoms, they are often vague or you may not notice them. They include yellowing of the skin and eyes, pain in the abdomen and back, weight loss and fatigue. Also, because the pancreas is hidden behind other organs, health care providers cannot see or feel the tumors during routine exams. Because it is often found late and it spreads quickly, pancreatic cancer can be hard to treat. Possible treatments include surgery, radiation and chemotherapy. nih: national cancer institute

ICD-10-CM C25.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 435 Malignancy of hepatobiliary system or pancreas with mcc
  • 436 Malignancy of hepatobiliary system or pancreas with cc
  • 437 Malignancy of hepatobiliary system or pancreas without cc/mcc

Convert C25.9 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change

Diagnosis Index entries containing back-references to C25.9: