SEER Inquiry System - Search

Histology/Brain and CNS:  How is histology coded for a 2021 diagnosis of “neuroepithelial tumor with PATZ1-EWSR1 fusion, not elsewhere classified” found during a right thalamic mass resection? See Discussion.

Histology/Biliary tract--Ampulla of Vater: What is the histology code for Intra ampullary papillary-tubular neoplasm in association with microinvasion? See discussion.

Histology/Behavior:  There are currently no codes available on the ICD-10-CM casefinding list for several of the site-specific intraepithelial neoplasias (8077/2). Will there be an update with additional codes for these sites that currently do not have codes to enable casefinding for these? See the table below.

Histology/Behavior--Head and Neck: What is the histology code for sinonasal glomangiopericytoma in 2023? See Discussion.

Histology/Behavior--GI Tract:  What is the difference between high grade dysplasia and severe dysplasia for tumors in the cervix and gastrointestinal (GI) tract? Are these terms synonymous with in situ/behavior code /2?  See Discussion.

Histology/Behavior--Breast: How are histology and behavior coded for a case originally diagnosed as in situ and later an invasive tumor with a different histology is diagnosed but still a single primary using Breast Solid Tumor Rule M10? See Discussion.

Histology/Behavior--Brain and CNS: How should Histology and Behavior be coded for a polymorphous low-grade neuroepithelial tumor of the young (PLNTY) arising in the brain?

Histology/Behavior--Brain and CNS: How are these fields coded for an "anaplastic glioneuronal neoplasm with spongioblastic architecture"? See Discussion.

Histology/Behavior--Brain and CNS: How are histology and behavior coded for a diagnosis of pineal anlage tumor in an infant? See Discussion.

Histology/Behavior--Bladder: Is the behavior of a bladder tumor with low-grade papillary urothelial carcinoma /2 or /3? See Discussion.