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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C00-C14 Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
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C10 Malignant neoplasm of oropharynx
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C10.0 Malignant neoplasm of vallecula
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C10.1 Malignant neoplasm of anterior surface of epiglottis
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C10.2 Malignant neoplasm of lateral wall of oropharynx
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C10.3 Malignant neoplasm of posterior wall of oropharynx
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C10.4 Malignant neoplasm of branchial cleft
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C10.8 Malignant neoplasm of overlapping sites of oropharynx
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C10.9 Malignant neoplasm of oropharynx, 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
Use Additional
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code to identify:
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alcohol abuse and dependence (F10.-)
- F10 Alcohol related disorders
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exposure to environmental tobacco smoke (Z77.22)
- Z77.22 Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)
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exposure to tobacco smoke in the perinatal period (P96.81)
- P96.81 Exposure to (parental) (environmental) tobacco smoke in the perinatal period
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history of tobacco dependence (Z87.891)
- Z87.891 Personal history of nicotine dependence
- Z57.31 Occupational exposure to environmental tobacco smoke
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tobacco dependence (F17.-)
- F17 Nicotine dependence
- Z72.0 Tobacco use