MP/H Rules/Primary site: Can you clarify how you interpreted the term "synchronous" to appropriately code the primary site to C68.9 [urinary tract] for SINQ 20110119 and did not use that code for SINQ 20100025 when both cases used MP/H Rule M8 to determine the number of primaries? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: What is the primary site of a diffuse large B-cell lymphoma described on a PET and an abdominal CT scan as a large pelvic mass displacing bladder and uterus, inseparable from anus, right pelvic sidewall, cervix and bilateral ovaries and per the clinician as stage IIE? See Discussion.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if a patient is diagnosed with acute monocytic leukemia in 2009 and in 2011 has biopsy confirmed granulocytic sarcoma of the cerebellum? See Discussion.
Histology--Heme & Lymphoid Neoplasms: How is the histology coded if a pelvic mass biopsy is positive for B-cell non-Hodgkin lymphoma and a mediastinal lymph node biopsy is positive for follicular lymphoma, grade 1? See Discussion.
Primary site/Heme & Lymphoid Neoplasms: How is the primary site coded if the patient presents with diffuse B cell lymphoma involving the nasopharynx and right maxillary sinus with bilateral cervical, right supraclavicular and axillary lymph nodes? See Discussion.
Primary site--Heme & Lymphoid Neoplasms: What primary site and heme rule applies when a PET scan shows bilateral renal masses, hypermetabolic liver lesions and retroperitoneal lymphadenopathy, a right kidney biopsy was positive for diffuse large B-cell lymphoma, and the bone marrow biopsy was negative? See Discussion.
Reportability/Histology--Heme & Lymphoid Neoplasms: Is Monoclonal B-lymphocytosis of uncertain significance (MLUS) reportable? If so, what is the correct histology code?
Primary site--Heme & Lymphoid Neoplasms: What is the primary site code for a primary effusion lymphoma if the patient has multiple regions that are positive (e.g., pleural and pericardial effusion and the pleural fluid) for lymphoma?
Primary site--Heme & Lymphoid Neoplasms: Should the primary site be coded to C779 or C809 when a patient is diagnosed at another facility with mantle cell lymphoma and the staging bone marrow biopsy performed at this facility is negative? There is no available information concerning where the lymphoma originated.
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