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Report Produced: 02/20/2026 15:44 PM

Report Question ID Question Discussion Answer Year
20031114 EOD-Extension--Colon: How is this field coded for an appendical primary when the appendix has ruptured and intrapentoneal fluid is positive? For cases diagnosed 1998-2003: Code EOD extension as 85 [Metastasis]. Positive intraperitoneal fluid is equivalent to distant metastasis (implantation) for colon, including appendix, primaries. 2003
20031071 EOD-Extension--Brain and CNS: How does one code this field for a brain primary with drop metastases and/or seeding? See Description.

In the past SEER has advised coding these cases to extension 60. However, SS2000 states to code these cases to distant.

1. Primary in the cerebrum, hypothalamic region, with drop mets to spinal cord.

2. Primary in the cerebellum with spinal cord drop mets.

3. Primary in the fourth ventricle, with drop mets along the spinal cord.

For cases diagnosed 1998-2003: Assign extension code 85 [Metastasis] for drop metastases and/or seeding of the spinal cord from a brain primary.

Assign code 85 to each of the three cases above.

 2003
20031066 Histology (Pre-2007): Is 8524 [lobular mixed with other carcinoma] or 8490 [signet ring cell carcinoma] used to represent a diagnosis of "infiltrating lobular with signet ring features?"

For tumors diagnosed prior to January 1, 2004:

According to our pathologist consultant, for this specific case, code to 8490 [Signet ring cell carcinoma].

Our pathologist states: "Signet ring cell carcinoma is most often a variant of lobular carcinoma (as it appears to be in this case - it is less frequently a variant of ductal), and I think it's appropriate to code it as such. Coding to lobular would also be ok, though that would lose the special feature of the signet ring cells. I would rather not code to 8524, since it is not really a mix of lobular and something else."

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2003
20031096 Radiation: How would this field be coded for treatment with quadramet [radioactive samarium]? See Description. Paitent is receiving quadramet for treatment of lung metastases. Code Quadramet in the RX Summ-Radiation field as 3 [Radioisotopes]. Quadramet is a radioisotope used to palliate bone pain. The instructions in the SEER manual state: "Record all radiation that is given, even if it is palliative." 2003
20031134 Surgery of Primary Site/Immunotherapy--Bladder: Is administration of BCG coded as both surgery and immunotherapy? Yes, code as both surgery and immunotherapy. The CoC included immunotherapy/BCG under surgery and also under immunotherapy by request of the clinical advisor for bladder, reflecting the mixed-modality nature of the treatments. [Answer from CoC I & R] 2003
20031112

Primary Site/Histology (Pre-2007)--Unknown & ill-defined site: How are these fields coded for a markedly atypical high grade malignant neoplasm diagnosed by a fine needle aspiration of a large iliac mass, right buttock area? See Description.

The diagnosis was made in Oct. 2002 by a CT guided fine needle aspiration of a large iliac mass, right buttock area. The cytology report says:

a. positive for malignant cells, markedly atypical high grade malignant neoplasm.

b. It is impossible to tell from this aspiration biopsy whether or not this represents a high grade sarcoma or a high grade carcinoma, but our consensus opinion is that this lesion is a high grade carcinoma.

The combination of soft tissue topography and carcinoma morphology is Impossible by SEER edits. How should we code this?

For tumors diagnosed prior to 2007:

Code the site to C76.3 [Pelvis, NOS]. Code the histology to 8010/34 [Carcinoma, NOS, high grade].

Unless there is better information available regarding the site, assign C76.3. The information provided above does not indicate the exact site of the mass.

Code the histology based on the consensus opinion stated above.

For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

 2003
20031036 Histology--Hematopoietic, NOS: When both the path and clinical diagnoses simultaneously reflect reportable diagnoses but one is a worse form of the same disease process, which diagnosis do we code? See Description. Would this case be coded to RAEB or AML? Bone marrow diagnosis: Hypercellular marrow with profound trilinieage dyspoietic changes. Comment: the features are consistent with RAEB. Clinical diagnosis five days later states: Myelodysplastic syndrome, early acute myelocytic leukemia (likely AML).

For cases diagnosed prior to 1/1/2010:When several diagnoses are made as part of the diagnostic process within two months, code the one with the worst prognosis.

Code the case example as acute myelocytic leukemia.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

2003
20031076 EOD-Size of Primary Tumor--Prostate: Is this field coded to the size of a hypoechoic mass identified on a TRUS when there is no tumor size from the prostatectomy specimen? For cases diagnosed 1998-2003: Ultrasound measurement of a malignancy can be used to code EOD-Size of Primary Tumor. Information on tumor size taken from imaging/radiographic techniques has low priority, just above physical examination. 2003
20031033 Grade, Differentiation--Hematopoietic: Is this field coded to 6 [B-cell] from a flow cytometry that specifies the percentage of B-cells that exist within the percentage of lymphoid cells in the bone marrow biopsy? See Description. Bone marrow biopsy, Final path diagnosis: consistent with small lymphocytic lymphoma/chronic lymphocytic leukemia. Comment: flow cytometry analysis was performed on bone marrow aspirate. The gated population of lymphoid cells comprises approximately 19% of total nucleated cells. Of these, 53% are B-cells which express CD19, CD22. These findings are consistent with the above diagnosis.

For cases diagnosed prior to 1/1/2010:Yes, assign code 6, B-cell. The flow cytometry analysis confirms B-cell.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

 2003
20031018 EOD-Extension--Head & Neck (Uvula): Is a stage T2 tumor described on the physical exam as an "ulcerated mass occupying uvula midline soft palate, and extending into the right soft palate. It does not extend into the tonsil area nor into the retromolar trigone" coded to 30 [localized, NOS] or 40 [tumor crosses midline]?

For cases diagnosed 1998-2003:

Code EOD-extension to 30 [localized, NOS]. This is mucosal spread (since there is no muscle in the uvula). Soft palate and uvula are handled as a single site, and extension from uvula to soft palate is not addressed in EOD.

 2003