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Report Produced: 09/17/2025 23:01 PM

Report Question ID Question Discussion Answer Year
20051134 Histology--Lymphoma: How is "histiomonocytic lymphoma" coded?

For cases diagnosed prior to 1/1/2010:Assign code 9755 [Histiocytic sarcoma; True histiocytic lymphoma]. "Histiomonocytic" is not standard terminology, according to our expert consultant. However, 9755 is the best code to assign.

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.

 2005
20051120 CS Eval--Colon: Should 1 [No surgical resection done...] or 3 [Surgical resection performed...] be used to correctly reflect this field when a surgical observation is "adherent to duodenum" but the extension per the pathology is stated to be to the "subserosal tissue"? See Discussion. 7/2/04 Op Findings 5 cm mass in mid transverse colon involving also the right colon; mass was adherent to duodenum without obvious invasion. 7/2/04 Path: Rt & Transverse Colon: 6x5 cm mass, micro: MD Adenoca with invasion of subserosal tissue; margins neg. 17/17 colic LNs negative.

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.For the case described above, code extension as 46 [Adherent to other organ...no microscopic tumor found in adhesion]. Code CS TS/Ext eval as 3 [Surgical resection performed...].

Surgery was performed for this case. The fact that the adherence to the duodenum was proven not to be tumor involvement should be coded as 3 in CS TS/Ext Eval. By using eval code 3, the case will map to a pathologic T indicating that the patient had resective surgery. Eval code 1 would map to a clinical T, incorrect for this case.

 2005
20051080 Priorities/CS Extension--Lung: In the absence of a physician TNM, is there a hierarchy associated with coding extension when multiple imaging studies demonstrate different degrees of extension? See Discussion. CT of the lung showing primary lesion and other nodules in another lobe or contralateral lung, subpleural nodules, etc. The PET scan did not show activity for the other nodules. What is our "hierarchy" for imaging studies when there is no physician staging?

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.

There is no hierarchy among the various imaging studies. Assign CS extension based on the report documenting the greatest extension.

 2005
20051083

Multiple Primaries--Lymphoma: How many primaries should be reported when there is a marginal zone B-Cell lymphoma [9699/3] diagnosed in 2000, and the clinician states that the diffuse large B-Cell type lymphoma [9680/3] diagnosed in 2004 was a transformation of the prior primary? See Discussion.

The Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table indicates they are most likely "D" different disease processes. As any low grade lymphoma can transform, we suspect this represents a transformation (the clinician is regarding this as transformed).

How many primary/ies should be coded?

And, how?

For cases diagnosed prior to 1/1/2010:

Report this case as one primary according to the physician's opinion. Code the histology as 9699/3 [marginal zone B-Cell lymphoma, NOS] and code the date of diagnosis as 2000.

Code the physicians opinion regardless of whether or not it agrees with the Single Versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table. Use the table when the physician does not state whether or not there is a new primary.

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.

 2005
20051013 Reportability/In Situ--Prostate: Was there a time period when PIN III was reportable to SEER? Per the 2004 SEER Manual, page 2, Reportable Diagnoses, Exceptions, 1.b.iii "Prostatic intraepithelial neoplasia (PIN III) of the prostate (C619). (Collection stopped effective with cases diagnosed 1/1/2001 and later.)" 2005
20051030 CS Eval--All Sites: If any of the CS fields (TS/Extension, LN, or Mets) are based on the TNM and there is no text documenting the basis for the evaluation, are the evaluation fields coded to 0 instead of 1?

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.

Assign code 0 [No surgical resection done...based on physical exam...or other non-invasive clinical evidence] to the corresponding eval fields when CS Extension, Lymph Nodes or Mets at Diagnosis are coded based only on the TNM and no further information is available.

 2005
20051034 Date Therapy Initiated/Reason no treatment--Lymphoma: Is the date of the lymph node biopsy used as the date of treatment if the lymph node biopsy is the first treatment or the only treatment performed? Is the reason for no surgery coded to 0 [Surgery of the primary site was performed]?

For cases diagnosed prior to January 1, 2008, enter the date of the lymph node biopsy (excisional biopsy or biopsy NOS) as the Date Therapy Initiated for a lymphoma when the biopsy is the first or only therapy performed.

Code Reason for No Surgery of Primary Site as 0 [Surgery of the primary site was performed] and the biopsy of a lymph node is coded to 25 in Surgery to Primary Site.

Do not code a fine needle aspiration or core needle biopsy in Surgery of Primary Site.

 2005
20051072 Primary Site/CS Extension--Lymphoma: Should CS Extension be coded to 22 [Involvement of spleen PLUS lymph node(s) BELOW the diaphragm] or 32 [Involvement of spleen PLUS lymph node(s) on both sides of the diaphragm] for the biopsy proven lymphoma in a retroperitoneal mass and a CT of the chest with nodes described as "indeterminate" or "calcified"? See Discussion.

It was diagnosed on CT-guided biopsy of retroperitoneal mass: obtained access to the posterior aspect of the lesion adjacent to the left side of the spinal column at approx the level of the kidney.

CT Abdomen/Pelvis: Large low attenuation & smooth walled regions in hilum of the spleen & into the splenic parenchyma w/assoc smaller lesions in the spleen. Associated adenopathy on left side of aorta between the superior mesenteric artery & renal vein.

Body of report: Soft tissue mass 4.4 x 4.8 x 7cm adjacent to the left side of the aorta & spanning the distance betw superior mesenteric vein inferiorly to level of left renal vein, appears to be matted adenopathy.

CT Chest: indeterminate nodes in pretracheal region w/calcified nodes in infracarinal region, right perihilar region & calcifications in pulmonary parenchyma of right lung. Calcified nodes & other structures suggest healed granulomatous process. However, with the infarct/mass lesion in the spleen & left periaortic adenopathy, extension of this process to the mediastinum can't be excluded.

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Code the primary site C772 [Intra-abdominal lymph nodes]. Assign CS extension code 22 [Involvement of spleen plus lymph nodes below diaphragm]. The description from the chest CT is not sufficient to code lymph node involvement above the diaphragm.

 2005
20051077 First Course Treatment--Unknown & ill-defined site: We have a case with an unknown primary site and the patient had chemoembolization into the hepatic artery. We don't know how to code this treatment. See Discussion. We were told to code as surgery (10) and chemo (01). However an unknown primary automatically gets a (98) surgery code & the chemo is coded (01) but we can't code as systemic therapy. This is an edit. Chemo coded but no date of systemic therapy.

Effective for cases coded prior to the change in policy made on January 9, 2008, code chemoembolization of a metastatic site as 1 [nonprimary surgical procedure performed] in Surgical Procedure of Other Site.

Surgery of Primary Site code 98 is assigned to all cases with an unknown primary.

In the case of a liver primary, it would be coded 10 [local tumor destruction, NOS] in Surgical Procedure of Primary Site.

 2005
20051068 CS Extension--Retinoblastoma: When the degree of extension differs between the retinas, how is extension coded for simultaneous bilateral retinoblastoma?

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Assign the CS extension code that corresponds to the greatest level of extension seen in either eye, excluding information from enucleation.

Record extension based on enucleation in Site Specific Factor 1.

Record bilateral disease under laterality. For retinoblastomas, bilaterality is not a component or consideration for staging.

 2005