MP/H Rules/Histology--Lung: What is the correct histology code for this lung tumor? FINAL PATHOLOGIC DIAGNOSIS: CT-guided Rotex and Franseen needle biopsies: Positive for malignancy, consistent with adenocarcinoma. Comment: the adenocarcinoma present also shows rare CD56 staining which indicates a neuroendocrine component.
Primary Site/In Situ: How is primary site coded for an in situ carcinoma arising in a mucinous cystadenoma with ovarian stroma (focal) located in the right lobe of the liver? See discussion.
MP/H Rules--Histology: How is histology coded when a metastatic site is biopsy positive for adenocarcinoma, but the physician clinically states this is cholangiocarcinoma? 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 treatment: When a patient has a Haplo bone marrow transplant, is this coded as an allogenic bone marrow transplant since part of his marrow was used in addition to a donor?