Date of diagnosis--Heme & Lymphoid Neoplasms: What is the diagnosis date for a patient with a mild thrombocytosis diagnosed in 2008, that was subsequently treated with Anagrelide in 11/2010 following an increase in platelet count, and later in 3/2011 was found to have positive JAK2 study physician refers to as essential thrombocythemia? See Discussion.
EOD-Extension/EOD-Lymph Nodes--Kaposi Sarcoma: What code is used to represent this field for a Kaposi sarcoma with no skin lesions but positive lymph node and bone marrow biopsies?
EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined/Surgical Procedure of Other Site--Kaposi Sarcoma: How do you code these fields for a groin mass excision containing 4 lymph nodes for a Kaposi sarcoma case that presented with multiple skin lesions?
EOD-Size of Primary Tumor--Cervix: When both a depth and diameter of the tumor are provided and the description of the diameter is provided in a range, how do you code the size of the primary tumor? See discussion.
Summary Stage 2000--Melanoma: How should Summary Stage 2000 be coded for 2014+ diagnosed melanoma cases with satellite nodules or in transit metastases? See discussion.
First Course of Therapy--Heme & Lymphoid Neoplasms: How is first course of treatment coded for hematopoietic and lymphoid neoplasm (heme) cases who are put on surveillance for years while asymptomatic and then start chemotherapy or other treatment years later once they become symptomatic? See Discussion.
Grade, Differentiation: Do we code to the highest grade even when no grade is given at the time of initial diagnosis, but a grade is obtained on tissue removed after non-surgical treatment has occurred? See discussion.
Grade, Differentiation--Breast: How do we code grade for a breast primary diagnosis of "Low grade invasive duct, modified Bloom-Richardson grade II/III (tubule formation 2, nuclear grade 1, mitotic rate 1)"? This appears to add up to a Bloom-Richardson score of 4, which does not fit with a Bloom-Richardson II/III.
Grade, Differentiation--Lymphoma: What code is used to represent this field when the only grade/differentiation given is "low grade", "intermediate grade" or "high grade"?
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