Code
Hierarchy
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C00-D49 Neoplasms (C00-D49)
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D3A Benign neuroendocrine tumors
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D3A.0 Benign carcinoid tumors
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D3A.09 Benign carcinoid tumors of other sites
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D3A.090 Benign carcinoid tumor of the bronchus and lung
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D3A.091 Benign carcinoid tumor of the thymus
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D3A.092 Benign carcinoid tumor of the stomach
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D3A.093 Benign carcinoid tumor of the kidney
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D3A.094 Benign carcinoid tumor of the foregut, unspecified
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D3A.095 Benign carcinoid tumor of the midgut, unspecified
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D3A.096 Benign carcinoid tumor of the hindgut, unspecified
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D3A.098 Benign carcinoid tumors of other sites
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Notes
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Functional activity
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All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
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Morphology [Histology]
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Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
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Primary malignant neoplasms overlapping site boundaries
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A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
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Malignant neoplasm of ectopic tissue
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Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
- C25.9 Malignant neoplasm of pancreas, unspecified