SEER Inquiry System - Search

Primary Site--Skin:  Are perianal skin primaries within 5 cm of the anus coded as perianal skin (C44.5) or anus (C21.0).  See Discussion.

Primary site: Is there a physician priority list for coding primary site?  For example, the surgeon states during a pancreatectomy that the primary is in body while the pathologist states in their synopitc report that primary is neck; neither is in agreement, or neither is available for confirmation.

Solid Tumor Rules/Multiple Primaries--Lung:  How many primaries and what M Rule applies to a 2022 diagnosis of right upper lobe non-small cell lung carcinoma (NSCLC) when the patient has a history acinar adenocarcinoma in the right lower lobe of the lung in 2020, followed by squamous cell carcinoma in the right middle lobe of the lung in 2021? See Discussion.

Reportability/Histology--Thyroid: Is a diagnosis of papillary carcinoma, follicular variant, encapsulated/well demarcated, non-invasive reportable? See Discussion.

Update to Current Manual/Surgery of Primary Site 2023--Melanoma:  Considering the 2023 melanoma surgery codes for punch biopsy NOS (B220) and shave biopsy NOS (B230), how is Date of First Surgical Procedure coded when the punch or shave biopsy is not excisional? See Discussion.

Update to Current Manual/2018 EOD Manual/EOD Primary Tumor--Bladder: According to the American Joint Commission on Cancer (AJCC), a transurethral resection of the bladder (TURB) cannot make a distinction between involvement of the superficial muscle-inner half (Stage T2a) and the deep muscle-outer half (Stage T2b). Is this same criteria applied to Extent of Disease (EOD)?

Reportability/Histology--Vulva:  Is angiomyxoma (8841/1), such as aggressive angiomyxoma of vulva diagnosed in 2022, reportable?

Reportability/Histology--Gallbladder: Is intracholecystic papillary-tubular neoplasm (ICPN) with extensive high grade dysplasia of the gallbladder reportable?

Histology/Heme & Lymphoid Neoplasms--Mycosis Fungoides:  What is the histology code for lymphomatoid papulosis that transforms initially to mycosis fungoides (MF)/cutaneous T-cell lymphoma (CTCL) and subsequently to CTCL with large cell transformation, and is it a new primary?  See Discussion.

Histology/Hematopoietic and Lymphoid Neoplasms--AML:  What is the histology code for Acute Myelogenous Leukemia (AML) with monocytic differentiation, 9891/3: acute monoblastic and monocytic leukemia or 9867/3: Acute myelomonocytic leukemia?