SEER Inquiry System - Search

MP/H Rules/Histology--Kidney: How is the histology coded and what rule(s) apply for "cyst associated renal cell carcinoma," "cystic renal cell carcinoma," and "cystic renal cell carcinoma, clear cell type"? See Discussion.

MP/H Rules/Histology--Kidney, renal pelvis: How would you code this histology: Renal cell carcinoma, clear and eosinophilic cell type?

MP/H Rules/Histology--Head and Neck: What is the histology code for salivary duct carcinoma of parotid gland?

MP/H Rules/Histology--Head & Neck: Please clarify rule H3. The first statement is "Do not code terms that do not appear in the histology description". The second statement is "Do not code...unless the words...appear in the final diagnosis"

One of our pathology labs frequently will state "keratinizing squamous cell" in the microscopic description (histologic description), but only state "squamous cell carcinoma" in the final diagnosis. May we code from the histologic description if it's not in the final diagnosis?

MP/H Rules/Histology--Head & Neck: How is the histology coded for a mammary analogue secretory carcinoma (MASC) of the parotid gland? See Discussion.

MP/H Rules/Histology--Fallopian Tube: What is the histology code of serous tubal intraepithelial (in situ) carcinoma (STIC), bilateral fallopian tubes?

MP/H Rules/Histology--Esophagus: Should the modifying expression "with areas of" be used to code histology? See Discussion.

MP/H Rules/Histology--Endometrium: What is the correct histology code for an endometrial cancer described as "Adenocarcinoma with areas of squamous differentiation?"

MP/H Rules/Histology--Corpus uteri: What are the histologies for the primaries to be reported when the endometrium contains two separate tumors composed of adenocarcinoma with multiple differentiations as well as a separate small focus of clear cell carcinoma? See Discussion.

MP/H Rules/Histology--Colon: What rule applies and how is histology coded if a colon tumor is composed of moderately differentiated adenocarcinoma and neuroendocrine tumor, grade 1 (G1)? See Discussion.