Section
D00-D09
In situ neoplasms (D00-D09)
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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D00 Carcinoma in situ of oral cavity, esophagus and stomach
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D01 Carcinoma in situ of other and unspecified digestive organs
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D02 Carcinoma in situ of middle ear and respiratory system
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D03 Melanoma in situ
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D04 Carcinoma in situ of skin
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D05 Carcinoma in situ of breast
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D06 Carcinoma in situ of cervix uteri
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D07 Carcinoma in situ of other and unspecified genital organs
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D09 Carcinoma in situ of other and unspecified 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
Includes
D00-D09
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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