MP/H Rules/Histology--Pleura: How is histology coded when the pathology report final diagnosis is "malignant neoplasm, compatible with malignant mesothelioma" if the COMMENT section of the pathology report indicates the tumor has a mixed epithelial and sarcomatoid pattern? See Discussion.
MP/H Rules/Histology--Peritoneal primary: Can the cell types from the primary site and a metastatic site be combined to code histology? See Discussion.
MP/H Rules/Histology--Melanoma: Regarding SINQ #20081044, when would you apply Rule H6 rather than Rule H5 for a cutaneous malignant melanoma given that you normally always have a specific cell type mentioned?
MP/H Rules/Histology--Lung: What would the histology code be for a wedge bx of the left lung, lower lobe, that was read out as well differentiated adenocarcinoma with micropapillary features?
MP/H Rules/Histology--Lung: What is the correct histology code for a neuroendocrine neoplasm described as a carcinoid and also referred to as oncocytic? See Discussion.