Solid Tumor Rules (2018)/Histology--Breast: The Histology Coding Instructions for breast cancer indicate the term type is not used to code histology unless documented to be greater than or equal to 90% of the tumor. Does this also apply if the format of pathology reports submitted in the College of American Pathologists (CAP) protocol from a specific facility always describes the histology under the heading, Histologic type: ___? See Discussion.
Solid Tumor Rules (2018)/Histology--Breast: Can the College of American Pathologists (CAP) protocol be used to determine whether in situ tumor is present for the purpose of determining which H Rule applies in the example presented? See Discussion.
Solid Tumor Rules 2018/Histology--Testis: What is the histology code for a 2018 diagnosis of left testis tumor diagnosed as mixed germ cell tumor with secondary malignant components: primitive neuroectodermal tumor (PNET) and rhabdomyosarcoma? See Discussion.
Multiple Primaries--Heme & Lymphoid Neoplasms: How many primaries should be reported when a 10/10/2017 skin biopsy identified myeloid sarcoma with monocytic differentiation, clinically stated to be leukemia cutis is followed by an 11/2/2017 BM biopsy showing an evolving high grade myelodysplastic process with atypical monocytes, likely an early evolving acute myeloid leukemia (AML), clinically stated to be a therapy-related AML (9920/3)? See Discussion.
Date of Diagnosis--Colon: If a patient has a positive Cologuard test, is the date of diagnosis the date of the cologuard test or the date of the biopsy?
Reportability--Vulva: Is a biopsy showing high grade squamous intraepithelial lesion (VIN II) in the vulva reportable for cases diagnosed in 2018? See Discussion.
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