Code
Hierarchy
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C00-D49 Neoplasms (C00-D49)
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C00-C96 Malignant neoplasms (C00-C96)
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C00-C75 Malignant neoplasms, stated or presumed to be primary (of specified sites), and certain specified histologies, except neuroendocrine, and of lymphoid, hematopoietic and related tissue (C00-C75)
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C40-C41 Malignant neoplasms of bone and articular cartilage (C40-C41)
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C41 Malignant neoplasm of bone and articular cartilage of other and unspecified sites
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C41.0 Malignant neoplasm of bones of skull and face
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C41.1 Malignant neoplasm of mandible
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C41.2 Malignant neoplasm of vertebral column
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C41.3 Malignant neoplasm of ribs, sternum and clavicle
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C41.4 Malignant neoplasm of pelvic bones, sacrum and coccyx
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C41.9 Malignant neoplasm of bone and articular cartilage, unspecified
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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
Includes
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malignant neoplasm of cartilage (articular) (joint)
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malignant neoplasm of periosteum
Excludes 1
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malignant neoplasm of bones of limbs (C40.-)
- C40 Malignant neoplasm of bone and articular cartilage of limbs
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malignant neoplasm of cartilage of ear (C49.0)
- C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck
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malignant neoplasm of cartilage of eyelid (C49.0)
- C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck
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malignant neoplasm of cartilage of larynx (C32.3)
- C32.3 Malignant neoplasm of laryngeal cartilage
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malignant neoplasm of cartilage of limbs (C40.-)
- C40 Malignant neoplasm of bone and articular cartilage of limbs
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malignant neoplasm of cartilage of nose (C30.0)
- C30.0 Malignant neoplasm of nasal cavity