SEER Inquiry System - Search

MP/H Rules/Histology--Brain and CNS: What is the code for an embryonal tumor with multilayered rosettes. WHO shows the code as 9478/3, but this code is not available for use in the United States.

MP/H Rules/Histology--Brain and CNS: What is the code for Rosette-forming glioneural tumor from a pathology report of a brain tumor biopsy for a date of diagnosis in 2015? See Discussion.

MP/H Rules/Histology--Brain and CNS: Is meningioma with atypical features coded as meningioma (9530/0) or atypical meningioma (9539/1)? See Discussion.

MP/H Rules/Histology--Brain and CNS: How should histology be coded for the following 2017 cases (pituitary adenoma vs. prolactinoma)? See Discussion.

MP/H Rules/Histology--Bladder:What is the correct histology code for the following bladder histology? High grade urothelial cancer with extensive neuroendocrine differentiation.

MP/H Rules/Histology--Bladder: What is the histology code histology code for a bladder TUR that demonstrates mixed invasive urothelial and small cell carcinoma? See Discussion.

MP/H Rules/Histology--Bladder: What is the correct histology for the following bladder case and how do you determine? See discussion.

MP/H Rules/Histology--Bladder: What is the correct histology code for a diagnosis of urothelial plasmacytoma carcinoma of the bladder per pathology report?

MP/H Rules/Histology--Bladder: Should the term "dedifferentiation" be used to code sarcomatoid transitional cell carcinoma (8122/3)? Or is this typically referring to the grade, and not the histologic subtype? See Discussion.

MP/H Rules/Histology--Bladder: Is urothelial carcinoma, high-grade, predominantly solid type, coded as 8120/3 or 8230/3? See Discussion.