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Report Produced: 12/30/2025 07:07 AM

Report Question ID Question Discussion Answer Year
20091023 Sugery of Primary Site--Breast: When a patient is simultaneously diagnosed with bilateral breast cancer and bilateral mastectomies are done, do you code the total mastectomies to 40 or 41 or 42?

Abstract cancer of the left breast and cancer of the right breast as separate primaries. Code the surgery for each primary independent of the other primary.

For the first primary, assign code 41 [Total (simple) mastectomy, NOS WITHOUT removal of uninvolved contralateral breast].

For the second primary, assign the code for the procedure performed on that site.

 2009
20091065

Primary Site/CS Extension--Lymphoma: How are these fields coded for a non-Hodgkins lymphoma case with scans that show non-specific parenchymal lung nodules and a large mediastinal mass? See Discussion.

Patient presented with large bulky mediastinal mass. CT showed no pleural effusion. Findings also show non-specific parenchymal lung nodules. Biopsy of mediastinal mass showed malignant B-cell lymphoma of follicle center cell origin. Abdomen /Pelvis CT showed borderline lymph nodes in bifurcation. Clinical diagnosis was probable stage 3 if not 4 lymphoma. Per lymphoma guidelines, if extra-nodal primary site is assigned to the extranodal site if an extra-nodal site and its regional lymph nodes are involved. Would the parenchymal lung nodules be indicative of pulmonary involvement? If so, would primary site be lung? Or, would the parenchymal nodules be stage 4 disease and primary site be assigned to lymph nodes?

For cases diagnosed prior to 1/1/2010, 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 Primary Site to C779 [Lymph node, NOS]. In this case, there is no statement that lymphoma involves the lung. "Nonspecific parenchymal lung nodules" are not indicative of lymphoma involvement. Consequently, this cannot be assumed to be an extra-nodal lymphoma. Additionally, it is not clear whether or not the "borderline" pelvic lymph nodes are involved. If the physician cannot provide more information, follow instruction 4.e in the SEER manual on page 72.

For cases diagnosed 1/1/10 and later, 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.

 2009
20091012 MP/H Rules/Histology--Head & Neck: If the final diagnosis states "see microscopic description," can the micro information be used to code the histology? See Discussion. In regards to coding histology for 2007 and forward cases, we are instructed to use the final diagnosis, and any addenda or comments associated with the final diagnosis. We are not to use the microscopic description. However, we are seeing pathology reports with a final diagnosis that also includes the notation "see microscopic description" or "see description". Example: "Left Parotid: High grade carcinoma involving deep lobe with marginal extension. See description." The microscopic description goes on to describe the carcinoma in more detail, which includes a statement "consistent with the ductal type of primary parotid carcinoma." Can we use this microscopic description or not?

For cases diagnosed 2007 or later:

When the final diagnosis indicates that the microscopic section contains the detailed diagnosis, use the microscopic description to code the histology.

Otherwise, code from the final diagnosis only and not from the microscopic description. The final diagnosis is usually the pathologist's conclusion after consideration of the various choices listed in the microscopic description. The histology code should represent the pathologist's final conclusion.

 2009
20091082 Behavior--Breast: How is this field coded for a case in which the final diagnosis reports DCIS, but the CAP protocol or microscopic findings show microinvasion? See Discussion.

1. Path report for breast cancer has final diagnosis as 'DCIS' but the CAP protocol in the body of the report says 'microinvasion seen, T1mic.'

2. Path report says 'DCIS' in the final diagnosis and microinvasion is identified in the microscopic portion of the report, but it is not in CAP protocol format and not stated in the final diagnosis.

Code both scenarios /3 [malignant (invasive)]. Information regarding behavior is not limited to the final diagnosis or the CAP protocol. See page 84 in the 2007 SEER manual:

Code the behavior as malignant /3 if any portion of the primary tumor is invasive no matter how limited; i.e. microinvasion.

 2009
20091095 CS Site Specific Factor--Prostate: Please clarify how SEER registries should use code 040 for Site-Specific Factor 3 on prostate cases. See Discussion. The 6/11/09 NAACCR Webinar on prostate cancer pointed out that SSF 3 code 040 refers the registrar to Note 4, which states "when the apical, distal urethral, bladder base, or bladder neck margins are involved and there is no extracapsular extension, use code 040." The webinar went on to say that code 040 ONLY applies to these specific margins, and that if other margins are involved (for example, the 'right lateral margin'), we should not use code 040. Is this consistent with SEER's interpretation of Note 4? Are we to ignore involvement of margins other than those specified in Note 4, and consequently code SSF 3 within the 000-032 range? Would this also apply to code 048 (extracapsular extension and margins involved)?

Yes, SEER agrees. Code SSF3, code 040 per page C-740 of 2007 SEER manual exactly as stated in Note 4. According to the Inquiry and Response System of the CoC, Note 4 lists specific margins that were once thought to have a prognostic impact. Code 040 in SSF3 should be used only when those margins are involved.

Note 4 pertains to code 040, not to code 048.

2009
20091034 CS Extension--Ovary: How are the following terms coded when they are described in the medical record without any other qualifying information? Seeding, talcum powder appearance, salting, miliary, and studding.

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.Seeding, talcum powder appearance, salting and studding are synonymous with implants. When the size of implants is not stated, but operative report and scans state "seeding," "talcum powder appearance," "salting," and "studding" the CS extension code choice will depend on the location of the seeding, talcum powder appearance, salting, or studding.

The word "miliary" is not documented as a synonym for implants.

The term miliary does not affect the CS extension code choice according to the current CS instructions.

 2009
20091129 Primary Site--Breast: What subsite is to be coded for a case of invasive Paget disease of the nipple with an infiltrating ductal carcinoma of the lower inner quadrant? Code C50.9 [Breast, NOS]. Code the last digit of the primary site to '9' for single primaries when multiple tumors arise in different subsites of the same anatomic site and the point of origin cannot be determined. Nipple [C50.0] and LIQ [C50.3] fit this rule. This is a single primary per MP/H Breast Rule M9. 2009
20091090 First course treatment--Leukemia: How should an allogeneic stem cell transplant for acute myeloid leukemia be coded in the Hematologic Transplant and Endocrine Procedures field? See Discussion. There is debate as to whether this procedure should be coded as a 12 in order to capture the allogeneic part of the procedure. Assign code 20 [Stem cell harvest (stem cell transplant) and infusion as first course therapy] for stem cell procedures, even allogeneic procedures. 2009
20091045 CS Tumor Size/CS Site Specific Factor--Breast: When tumor size is unknown, but it is known that both in situ and invasive components are present, how should CS Tumor Size and SSF6 be coded? See Discussion. We coded CS Tumor Size 990 and SSF 6 to 060 for a case in which no tumor size was mentioned and the breast core biopsy identified microinvasive infiltrating lobular carcinoma and lobular carcinoma insitu. The lumpectomy identified no residual tumor. SEER edit 218 states we must have CS Tumor Size as 999 if the CS SSF 6 is 060. Yet the tumor size code of 990 (Microinvasion; microscopic focus or foci only, no size given; described as less than 1 mm) would more accurately reflect this case. Even in a situation where there was microinvasion described as less than 1mm, the edit will not allow one to code CS Tumor Size to 990 with the CS SSF 6 as 060. Should these types of cases have CS Tumor Size coded 999 or should the edit be adjusted to allow for this combination?

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 CS tumor size 990 [Microinvasion; microscopic focus or foci only, no size given; described as less than 1 mm] and CS SSF6 050 [Invasive and in situ components present, size of entire tumor coded in CS Tumor Size because size of invasive component not stated AND proportions of in situ and invasive not known].

This combination of codes captures the information available for this case.

 2009
20091015 MP/H Rules/Histology--Gallbladder: What histology is coded for a tumor described as "90% high grade neuroendocrine ca, large cell type; and 10% low grade adenocarcinoma, conventional type"?

For cases diagnosed 2007 or later:

MP/H Rule H17 for Other Sites applies. Code the histology 8140 [adenocarcinoma].

The ICD-O-3 code for large cell neuroendocrine carcinoma is 8013 and the code for adenocarcinoma is 8140.

 2009