Section
C71
Malignant neoplasm of brain
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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C69-C72 Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
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C71 Malignant neoplasm of brain
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C71.0 Malignant neoplasm of cerebrum, except lobes and ventricles
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C71.1 Malignant neoplasm of frontal lobe
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C71.2 Malignant neoplasm of temporal lobe
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C71.3 Malignant neoplasm of parietal lobe
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C71.4 Malignant neoplasm of occipital lobe
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C71.5 Malignant neoplasm of cerebral ventricle
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C71.6 Malignant neoplasm of cerebellum
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C71.7 Malignant neoplasm of brain stem
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C71.8 Malignant neoplasm of overlapping sites of brain
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C71.9 Malignant neoplasm of brain, 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
Excludes 1
C71
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malignant neoplasm of cranial nerves (C72.2-C72.5)
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retrobulbar malignant neoplasm (C69.6-)
- C69.6 Malignant neoplasm of orbit