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Oncology & Hematology Coding Alert

Reader Question:

157.4 Is Appropriate for PNET

Published on Wed Feb 15, 2012

Question: Which diagnosis code describes PNET, Pancreatic neuroendocrine tumor, malignant?Codify MemberAnswer: Turn to 157.4 (Malignant neoplasm of islets of Langerhans) for this diagnosis.Although most neuroendocrine tumors are found in the 209.xx (Neuroendocrine tumor) range, ICD-9 excludes "pancreatic islet cell tumors (157.4)" from that range.The ICD-9 index also will direct you to 157.4 for specific PNETs. For example, if you search "gastrinoma, malignant, pancreas," you'll be pointed to 157.4. Similarly, "tumor, islet cell, malignant, pancreas" points to 157.4.Tip: ICD-10-CM crosswalks 157.4 to C25.4 (Malignant neoplasm of endocrine pancreas).
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