Histology--Lymphoma: What code is used to represent the histology "monomorphic post-transplant lymphoproliferative disorder [diffuse large B-cell lymphoma]"? See Description.
Surgery of Primary Site--Breast: How is this field coded when a patient has a reduction mammoplasty (for macromastia) and within the pathology specimen there is an incidental finding of carcinoma?
Date of Diagnosis/Diagnostic Confirmation: How are these fields coded when a physician statement of diagnosis predates a positive biopsy? See Description.
EOD-Lymph Nodes--Colon: Are deposits of carcinoma in the pericolic fat still coded as lymph nodes when the pathology report states, "there is a high likelihood that these represent foci of venous invasion"? See Description.
EOD-Patholgic Review of Number of Regional Lymph Nodes Examined: How is this field coded when there is no lymph node count in the final pathology diagnosis and the gross description states "four possible lymph nodes are dissected"? See Description.