Oncology & Hematology Coding Alert

Reader Questions:

Differentiate Between These Codes to Report NETs

Question: One of our oncologists documented “left kidney, NET [neuroendocrine tumor], well differentiated.” When I go to the ICD-10-CM Alphabetic Index, I cannot find an entry for a well-differentiated NET. As the entry for “malignant poorly differentiated” takes me to C7A.1, it would make sense that D3A.8 would be the code for well-differentiated. However, my pathologist says all NETs are malignant [...]
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