Page History
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Code | Label | Description |
|---|---|---|
0 | Benign (Reportable for intracranial and CNS sites only) | Benign |
1 | Borderline (Reportable for intracranial and CNS sites only) | Uncertain whether benign or malignant |
Borderline malignancy | ||
Low malignant potential | ||
Uncertain malignant potential | ||
2 | In situ and/or carcinoma in situ | Adenocarcinoma in an adenomatous polyp with no invasion of stalk |
Clark level 1 for melanoma (limited to epithelium) | ||
Comedocarcinoma, noninfiltrating (C50._) | ||
2 | Synonymous with in situ | Behavior code ‘2’ |
| Bowen disease (not reportable for C440-C449) | ||
Clark level I for melanoma (limited to epithelium) | ||
Confined to epithelium | ||
Hutchinson melanotic freckle, NOS (C44_) | ||
Intracystic, noninfiltrating (carcinoma) | ||
Intraductal (carcinoma) | ||
Intraepidermal, NOS (carcinoma) | ||
Intraepithelial neoplasia, Grade III (e.g., AIN III, LIN III, SIN III, VAIN III, VIN III) | ||
Intraepithelial, NOS (carcinoma) | ||
Involvement up to, but not including the basement membrane | ||
Lentigo maligna (C44._) | ||
Lobular, noninfiltrating (C50._) (carcinoma) | ||
Noninfiltrating (carcinoma) | ||
Non-invasive (carcinoma) | ||
No stromal invasion/involvement | ||
Papillary, noninfiltrating, or intraductal (carcinoma) | ||
Precancerous melanosis (C44._) | ||
Stage 0 (except Paget’s disease (8540/3) of breast and colon or rectal tumors confined to the lamina propria) | ||
3 | Invasive | Malignant |
Primary site Invasive | ||
Microinvasive | ||
Focus of invasion |
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