CS Extension--Pancreas, Head: When a tumor is described as having "vascular encasement of the celiac artery", is extension coded to 68 [tumor is inseparable from the celiac axis]?
CS Extension--Ovary: How are the following terms coded when they are described in the medical record without any other qualifying information? Seeding, talcum powder appearance, salting, miliary, and studding.
CS Extension--Lymphoma: When does the coding change take effect that is referred to in SEER edit IF195, that states localized lymphoma in primary sites C024, C090-099, C111, C142, C172, C181, and C379 must be coded to CS extension 10, and cannot be coded to extension 11? See Discussion.
CS Extension--Lymphoma: For lymphoma cases, can extension be coded to 80 [Nodular involvement of lungs] based on imaging or operative findings when there is no positive statement of involvement? See Discussion.
CS Extension--Lung: If only a "single" cytology is performed on pericardial fluid and it is negative, can Note 6 B, which states that pleural effusion [code 72] is coded as malignant unless there are "multiple" negative cytologies, be used to infer that the pericardial fluid should also be coded as involvement?
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