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Report Produced: 09/08/2025 15:09 PM

Report Question ID Question Discussion Answer Year
20110023 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are reported in a patient with a November 2009 diagnosis of refractory anemia and a 10/25/2010 biopsy diagnosis of refractory anemia with excess blasts type 2 with ringed sideroblasts that the clinician indicates actually demonstrates progression to AML? See Discussion.

Refractory anemia, NOS diagnosed in November 2009. The diagnosis on a bone marrow biopsy performed on 10/25/10 is myelodysplastic syndrome - refractory anemia with excess blasts type 2 with ringed sideroblasts. Per the medical oncologist, in the 12/16/10 clinic note it states, "Pt underwent bone marrow biopsy on 10/25/10 and ultimately this marrow demonstrates progression to AML.

When applying the Hematopoietic Rules, the refractory anemia, NOS and the myelodysplastic syndrome - refractory anemia with excess blasts type 2 with ringed sideroblasts is the same primary. However, the refractory anemia NOS and the AML are multiple primaries.

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

First, note that myelodysplastic syndrome (MDS) is a term that includes a number of diseases. Refractory anemia, NOS and refractory anemia with ringed sideroblasts are types of MDS. These two diseases are an NOS and a more specific disease, which is accessioned as one primary per Rule M7.

Next, assess the change from refractory anemia to AML. In checking the Heme DB, AML is listed under transformations for refractory anemia with ringed sideroblasts. This patient has a chronic disease (refractory anemia with ringed sideroblasts) and an acute disease (AML). Per Rule M10, abstract as multiple primaries when a neoplasm is originally diagnosed in a chronic (less aggressive) phase AND second diagnosis of a blast or acute phase more than 21 days after the chronic diagnosis.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2011
20110125 MP/H Rules/Histology--Lung: What would the histology code be for a wedge bx of the left lung, lower lobe, that was read out as well differentiated adenocarcinoma with micropapillary features? Code papillary adenocarcinoma 8260/3. The ICD-O-3 codes for micropapillary have specific associations such as ductal, serous or transitional. None of those associations fit lung primaries. 2011
20110102

Reportability--Heme & Lymphoid Neoplasms: For cases diagnosed 2010 and later, are idiopathic thrombocytopenia and autoimmune thrombocytopenia reportable?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

Idiopathic and autoimmune types of thrombocytopenia are not reportable. Thrombocytopenia and thrombocythemia are not synonyms. Cytopenia and cythemia have different definitions. See Appendix F: Non-Reportable List for Hematopoietic Diseases.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

 2011
20110062 Histology--Heme & Lymphoid Neoplasms: Is diffuse large B-cell lymphoma, germinal cell type coded to diffuse large B-cell lymphoma?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph..

Per Rule PH30, use the Heme DB, determine the histology when rules PH1-PH29 do not apply. Code diffuse large B-cell lymphoma, germinal cell type to 9680/3 [diffuse large B-cell lymphoma (DLBCL)][9680/3]. Under the Alternate Names section of the Heme DB, these two terms are synonyms that share the same histology code.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2011
20110015 Primary site/Histology: Do the 4/1/09 changes in the ICD-O-3 Site/Type Validation table regarding the coding of primary site for intestinal type adenocarcinoma mean that the former valid site/histology combinations are now impossible and require review from a given diagnosis date forward? See Discussion.

Per the SEER Errata for ICD-O-3 Site/Type Validation List, April 1, 2009, adenocarcinoma, intestinal type, was removed as a valid site/histology combination for the following primary sites: C150-C155, C158-C159, C170-C173, C178-C179, C180-C189, C199, C209, C210-C212, C218.

  • Does this mean that these combinations cannot be used? If so, then why is an override allowed for these site/type combinations? Shouldn't these site/type combinations be added to the impossible site/type combinations table?

  • SINQ 20081085 states that "8144/3 will be removed from the valid site/histology list for large intestine, small intestine, and rectum." It appears from the Site/Type Validation table that a decision was made to also remove esophagus sites as a valid combination with histology code of 8144. Please explain the rationale.

  • Cases that were miscoded to 8144/3 will need to be identified for correction. What date of diagnosis should be the reference point used in making the necessary corrections related to this change? Do we only need to review cases diagnosed 1/1/2009 forward or should all cases be corrected regardless of date of diagnosis?

    • The site/type edit identifies unlikely combinations of primary site and histologic type.

  • Intestinal type adenocarcinoma occurs in the stomach. It would be rare in another primary site, but not impossible.

  • It was decided that all digestive organ sites, except stomach, would be removed from the list. That is why esophagus is not listed as a valid site.

  • The site/type edit is for all years. Cases for all years have to be reviewed for combinations of site and type that are no longer on the list. If it is documented in the medical record that the primary site and histology combination are valid, set the over-ride flag so that the case will not come up for review again.

    		• 2011
    		20110061

    Primary site/Histology--Heme & Lymphoid Neoplasms: Should the primary site and histology codes be updated when a patient with a history in 2005 of a bone marrow diagnosis of chronic lymphocytic leukemia later presents in 2010 with lymph node biopsy diagnosis of small B-cell lymphocytic leukemia?

    For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

    Per Rule M2, this is a single primary because there is a single histology. Code histology to 9823/3 [CLL/SLL]/

    The distinction of CLL vs. SLL cannot be made on bone marrow biopsy in isolation. The pathologist cannot make a diagnosis of CLL vs SLL without having peripheral blood counts available for review. If the patient was treated for CLL in the past, that may alter the peripheral counts seen in 2010 (e.g., lymphocytosis). The distinguishing feature is peripheral lymphocytosis in CLL (not seen in SLL). The disease looks the same and both will often have bone marrow involvement and lymph node involvement. If the patient had true CLL in 2005, then any subsequent lymph node (or other) biopsy consistent with CLL/SLL remains consistent with the original diagnosis of CLL. I would not change the original CLL code.

    I agree with the previous response. We have to assume the 2005 diagnosis included a peripheral blood supporting that diagnosis. Otherwise, CLL and SLL look the same in nodes and marrow. The interplay between the two "diseases" is expected. This is why they are considered a single disease.

    SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

    		 2011
    		20110104 Primary site--Heme & Lymphoid Neoplasms: Should the primary site be coded to C421 [bone marrow] or C770-C779 [lymph nodes] for an adult T-cell leukemia/lymphoma [9827/3] that presented with a positive bone marrow biopsy and involvement of lymph nodes and the lung?

    For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph..

    Code the primary site to the involved lymph nodes [C770-C779]. Per Rule PH 8, it indicates you are to code the primary site to the site of origin when lymph node(s) or lymph node region(s), tissue(s) or organs are involved. Note 2 further states that the bone marrow may or may not be involved. If the bone marrow is involved, code this information in the CS Extension field.

    Per the Abstractor Notes section in the Heme DB, this is a systemic disease with widespread lymph node involvement as well as involvement of the peripheral blood. In addition, systemic involvement of extranodal sites (including lung) are often involved.

    SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

    		2011
    		20110032 Primary site--Heme & Lymphoid Neoplasms: What primary site is coded for Langerhans cell histiocytosis (LCH) [9751/3] when it is limited to the skin?

    For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

    Per Rule PH30, use the Heme DB to determine the primary site and histology when PH1-29 do not apply, In this case, code the primary site to C449 [Skin]. According to the Abstractor Notes section in the Heme DB, the solitary form of Langerhans cell histiocytosis (LCH) [9751/3] occurs less commonly than the multisystem form of the disease; but can appear in nodes, skin and lung. This is a solitary form of LCH. Code the primary site to skin [C449].

    SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

    		2011
    		20110144 Reportability--Heme & Lymphoid Neoplasms: Is steroid resistant idiopathic thrombocytic purpura (ITP) the same as refractory thrombocytopenia [9992/3]?

    For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

    Idiopathic thrombocytic purpura (ITP) is not a synonym for refractory thrombocytopenia (RT). ITP is not a reportable disease. See Appendix F.

    Under the Alternate Names section in the Heme DB, the only synonym for refractory thrombocytopenia is "RT." ITP is not listed as a synonym for refractory thrombocytopenia.

    SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

    		2011
    		20110024 MP/H Rules/Histology--Breast: How is histology coded, and which MP/H rule applies for a diagnosis of ductal carcinoma in situ with clear cell features? See Discussion.

    None of the histology rules for in situ breast seem to apply to this case:

    • Rule H3 doesn't seem to apply because "clear cell" is not a specific intraductal carcinoma.

  • Rule H6 doesn't seem to apply because there is not a combination of intraductal and 2 or more specific types of intraductal.

  • Rule H8 wouldn't apply because one of the types is intraductal.

    • For cases diagnosed 2007 or later:

    Code 8523/2 [intraductal carcinoma mixed with other types of in situ carcinoma]. Rule H6 should apply to this case.

    The wording in the Rule H6 needs to be clarified to handle a case of intraductal carcinoma with one or more subtypes that are not ductal. This will also require a modification to Table 3. A row needs to be added to the table labeled, "Intraductal and one or more of the histologies in Column 2." The Column 3 text for the newly added row would read, " Intraductal mixed with other types of carcinoma." The appropriate histology code to be reported per Column 4 would be 8523/2. This will be done in the next revision of the rules.

    		2011