ICD-10-CM > C00-D49 > C15-C26 > C26 > C26.9 C26.9 Malignant neoplasm of ill-defined sites within the digestive system Billable/Specific Copy Code Copy Description Applicable To Malignant neoplasm of alimentary canal or tract NOSMalignant neoplasm of gastrointestinal tract NOS Type 1 Excludes malignant neoplasm of abdominal NOS (C76.2)malignant neoplasm of intra-abdominal NOS (C76.2)
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