Code
Hierarchy
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C00-D49 Neoplasms (C00-D49)
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D00-D09 In situ neoplasms (D00-D09)
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D03 Melanoma in situ
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D03.0 Melanoma in situ of lip
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D03.1 Melanoma in situ of eyelid, including canthus
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D03.2 Melanoma in situ of ear and external auricular canal
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D03.3 Melanoma in situ of other and unspecified parts of face
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D03.4 Melanoma in situ of scalp and neck
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D03.5 Melanoma in situ of trunk
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D03.6 Melanoma in situ of upper limb, including shoulder
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D03.7 Melanoma in situ of lower limb, including hip
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D03.8 Melanoma in situ of other sites
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D03.9 Melanoma in situ, unspecified
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-
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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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Bowen's disease
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erythroplasia
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grade III intraepithelial neoplasia
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Queyrat's erythroplasia