SEER Inquiry System - Search

Solid Tumor Rules/Histology--Other Sites: Other Sites Table 2 (Mixed and Combination Codes) requires site designations; can sites be added? See Discussion.

Solid Tumor Rules/Histology--Other Sites: Should an additional Note be added to Other Sites Solid Tumor Rules, Rule H12, to indicate that if the diagnosis is an NOS histology in a polyp, continue on through the rules or should Other Sites Rule H13 be moved ahead of Rule H12 to capture this specific histology? See Discussion.

Solid Tumor Rules/Histology--Ovary:  What is the histology code for an ovarian primary with a pathology report final diagnosis of “Small-Cell Carcinoma (Hypercalcemic Type), Large-Cell Variant” diagnosed in 2012 (using the Multiple Primaries H rules) and one diagnosed in 2024 (using the Solid Tumor Rules)? See Discussion.

Solid Tumor Rules/Histology--Ovary:  How is histology coded for an ovary case with a diagnosis of “high grade papillary serous carcinoma” in 2023? This term is not in the Solid Tumor Rules and ICD-O 3.2 updates. Is “high grade papillary serous carcinoma” equivalent to “high grade serous carcinoma” (8461) or to “papillary serous adenocarcinoma” (8441) with high grade captured only in the Grade fields, or is there another more appropriate code?

Solid Tumor Rules/Histology--Parotid: How is histology coded for a myoepithelial carcinoma ex-pleomorphic adenoma of the parotid?

Solid Tumor Rules/Histology--Penis:  Why is warty carcinoma listed in Other Sites, Table 23 (Penis and Scrotum Histologies) as 8051 when the ICD-O-3.2 and SINQ 20200003 indicate the correct histology is 8054 for this neoplasm? See Discussion.

Solid Tumor Rules/Histology--Prostate: How is histology coded and what rule applies to a diagnosis of “prostatic adenocarcinoma with neuroendocrine differentiation” with reference to the Comment: Immunohistochemical findings are consistent with amphicrine carcinoma for a patient with no prior androgen-deprivation therapy. See Discussion.

Solid Tumor Rules/Histology--Prostate: Is histology coded as 8045 (Combined small cell carcinoma) for a 2023 diagnosis of two-component carcinoma comprised of both acinar adenocarcinoma and small cell neuroendocrine carcinoma of the prostate? See Discussion.

Solid Tumor Rules/Histology--Prostate: Other Sites Solid Tumor RulesTable 3 (Prostate Histologies), Note 1 in the Adenocarcinoma with neuroendocrine differentiation (8574/3) row, conflicts with Note 2 and requires further clarification. See Discussion.

Solid Tumor Rules/Histology--Testis: Can a definition for "teratoma with somatic-type malignancy" (9084) be added to the Other Sites Solid Tumor Rules? See Discussion.