SEER Inquiry System - Search

Radiation Therapy: Is I 131 sodium iodide coded as radiation? SINQ 20031040 says to code Radiation as 3 (radioisotope) but SEER*Rx says not to code it.

Immunotherapy--Heme & Lymphoid Neoplasms: Should Anti-Thymocyte Globulin (ATG)/Cyclosporine/Prednisone be coded for myelodysplastic dysplastic syndrome (MDS) and if so, how should it be coded? See Discussion.

Multiple Primaries/Histology--Heme & Lymphoid Neoplasms: Should histology be coded as 9895 when the pathologist's diagnosis on the bone marrow biopsy is "consistent with transformation of the patient's known polycythemia vera to acute myeloid leukemia?" See Discussion.

Solid Tumor Rules/Histology--Head & Neck: How is the histology of a sinonasal tumor coded when the initial biopsy addendum diagnosis is "High-grade malignant neoplasm with features in between olfactory neuroblastoma and large cell neuroendocrine carcinoma" and the repeat biopsy diagnosis is "High-grade neuroendocrine carcinoma?" See Discussion.

SEER Manual/Histology--Ovary: How are Primary Site and Histology coded for a serous borderline tumor of the right ovary with malignant cells in the ascitic fluid? See Discussion.

First Course Therapy/Hormone Therapy--Thyroid: Should Armour thyroid be coded as hormone therapy for a thyroid cancer case status post thyroidectomy at an outside facility who continues Armour thyroid at another facility? Armour thyroid is not listed in SEER*Rx.

Primary Site--Colon: How is primary site assigned when the only documented term is “colorectal cancer?” See Discussion.

First Course of Therapy/Hormone Therapy--Thyroid: Is Thyrogen (thyrotropin alpha) coded as hormone therapy when a patient is given Thyrogen as part of planned 2-day Thyrogen Stimulated I-131 treatment for a papillary or follicular cancer? See Discussion.

Reportability/Histology--Breast: 2026: Is lobular neoplasia (atypical lobular hyperplasia) reportable? There is no mention of grade and or conclusive lobular carcinoma in situ (LCIS) statement given.

Reportability/Histology--Breast: Is a spindle cell neoplasm with CLCN6::BRAF fusion reportable? If yes, how is the histology coded? See Discussion.