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Report Produced: 04/27/2026 03:10 AM

Report Question ID Question Discussion Answer Year
20130037 Histology--Heme & Lymphoid Neoplasms: How is the histology coded for a "cutaneous diffuse large B-cell lymphoma, leg type" that has been verified as a valid diagnosis with prognostic factors including age and number of lesions on the legs?

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

Code this histology to 9680/3 [diffuse large B-cell lymphoma]. Primary cutaneous DLBCL, leg type, is listed as an Alternate Name for DLBCL per the Heme DB.

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.

2013
20130030

Histology--Heme & Lymphoid Neoplasms: How is histology coded for a patient diagnosed with diffuse large B-cell lymphoma, immunoblastic [9684/3] in 2009 and a recurrence in 2010 at another facility was referred to as plasmablastic lymphoma [9735/3]? See Discussion.

Which code is correct for the merged record? Is code 9735/3 [plasmablastic lymphoma] correct because code 9684/3 [DLBCL, immunoblastic] is now obsolete?

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

This case was originally diagnosed in 2009, prior to the development of Hematopoietic Database. Therefore it is necessary to use the ICD-O-3 to code histology to 9684/3 [diffuse large B-cell lymphoma, immunoblastic]. Use the original histology diagnosed for the merged record because DLBCL, immunoblastic, and plasmablastic lymphoma are the same primary. Do not change the histology to code 9735/3 [plasmablastic lymphoma].

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.

 2013
20130093 MP/H Rules/Histology--Lung: What histology code is used for an adenocarcinoma in situ/bronchioloalveolar carcinoma (BAC) of the lung? See Discussion.

Classification of lung malignancies has undergone a change. The bronchioloalveolar carcinoma histology is being replaced by adenocarcinoma in situ and minimally invasive adenocarcinoma, using an evaluation of lepidic growth pattern in the tumor.

The final diagnosis is "adenocarcinoma in situ/BAC" and the comment states, "The findings in the current biopsy are most compatible with low grade malignant lesions which, in this sample, shows features of adenocarcinoma in situ (former bronchioloalveolar adenocarcinoma), given the proliferation of pneumocytes is limited to the alveolar lining with no evidence of invasion. However, classification of the lesion depends, per reference guidelines (Travis et al. J THOR ONCOL 2011 6,(2):244-275), on its size and its overall histologic features, to rule out the presence of an invasive component and therefore can only be performed upon examination of it in its entirety, upon resection." The radiation oncologist staged this T1N0M0, stage 1 BAC.

Code the histology to 8140/2 [adenocarcinoma in situ, NOS].

The comment for this case is consistent with information from the CAP protocol, which says, "The diagnosis of bronchioloalveolar carcinoma requires exclusion of stromal, vascular, and pleural invasiona requirement that demands the tumor be evaluated histologically in its entirety. It is therefore recommended that a definitive diagnosis of bronchioloalveolar adenocarcinoma not be made on specimens in which the tumor is incompletely represented."

This tumor was not completely resected. Therefore, code to adenocarcinoma in situ based on the information provided.

2013
20130091 Treatment, NOS--Heme & Lymphoid Neoplasms: Which guidelines are used to code treatment for hematopoietic diseases diagnosed prior to 2010?

For cases diagnosed 1/1/2010 and later, use the Hematopoietic & Lymphoid Neoplasm Manual for instructions on coding aspirin, blood thinners/anti-clotting medications, and transfusions in the field "Other Treatment."

For cases diagnosed 5/1/2002 12/31/2009, use the instructions in the SEER Manual and the instructions in "Abstracting and Coding Guide for the Hematopoietic Diseases" to code aspirin, blood thinners/anti-clotting medications, and transfusions in the field "Other Treatment."

For cases diagnosed 1/1/2001 04/30/2002 use the instructions in the SEER Manual for collection of aspirin, blood thinners/anti-clotting medications, and transfusions in the field "Other Treatment."

Prior to 1/1/2001, these treatment modalities were not collected.

2013
20130090 MP/H Rules/Primary site/Histology--Colon/Rectum: How are the primary site and histology to be coded for a diagnosis of familial polyposis with malignant tumors in the sigmoid and rectum? See Discussion.

Preoperative diagnosis was familial polyposis with rectal and rectosigmoid cancer.

The pathology report from the colon resection showed:

  1. 5 mm tumor in the sigmoid. Histologic type: adenocarcinoma.

  • 1.9 cm tumor in the distal rectum. Histologic type: adenocarcinoma with signet ring cell differentiation.

  • 4 cm tumor in the proximal rectum. Histologic type: adenocarcinoma.

    • Gross description: The mucosa of the colon is tan pink with polyposis throughout; more than 1000 tan sessile polyps.

    Should this be a single primary per MP/H Rule M3, histology coded to 8220/3 [familial polyposis] per MP/H Rule H17, and primary site coded to C199?

    This case should be accessioned as a single primary. Code the primary site to the colon and rectum [C199] and the histology to adenocarcinoma in familial polyposis coli [8220/3] per MP/H Rule H17.

    For cases of familial polyposis, when the rectosigmoid or rectum are involved, assign code C199 [colon and rectum]. When the rectosigmoid or rectum are not involved, assign code C189 [colon, NOS].

    		2013
    		20130029 Reportability--Heme & Lymphoid Neoplasms: Is "post polycythemic myelofibrosis" reportable? See Discussion. The bone marrow biopsy showed post polycythemic myelofibrosis. JAK2 mutations were present confirming the diagnosis of post polycythemic myelofibrosis. The patient does have a history of polycythemia vera (PV).

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

    Polycythemia Vera (PV) [9950/3] is reportable. The Abstractor Notes section in the Hematopoietic Database for PV indicates there are three phases of PV. The third phase is referred to as the "spent" or "post-polycythemic myelofibrosis phase". This patient appears to be in the third phase of PV. This would not be reported as a new primary if PV has already been reported.

    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.

    		2013
    		20130027

    Reportability--Are well-differentiated neuroendocrine tumors and grade 1 neuroendocrine tumors of the appendix now reportable? See Discussion.

    The terminology for carcinoid tumors has changed. The current terminology used is "neuroendocrine tumor." Are well-differentiated neuroendocrine tumors of the appendix non-reportable because carcinoid, NOS of the appendix has a borderline behavior code [8240/1]? When the histology/behavior codes for the term "well-differentiated neuroendocrine tumor" became 8240/3, did SEER intend this change to also apply to appendix primaries? If so, for which diagnosis year did this change go into effect?

    Well-differentiated neuroendocrine tumors and grade 1 neuroendocrine tumors of the appendix are reportable because these tumors have a morphology code 8240/3 per the WHO Classification of Tumors of the Digestive System. However, per the ICD-O-3, carcinoid tumors of the appendix have a behavior code of /1 [borderline].

    The terminology of neuroendocrine tumors is evolving and current thinking at the international level is that carcinoid/WD NET of appendix is reportable. However, reportability in the United States is based on ICD-O-3. The histology code for "Carcinoid of appendix" is 8240/1; the histology code for a carcinoids of all other primary sites is 8240/3. Until the United States adopts the proposed changes for ICD-O-3, reportability of appendix cases is as follows:

    • Carcinoid
    • Well-differentiated neuroendocrine tumor
    • Grade 1 neuroendocrine tumor
    • Well-differentiated neuroendocrine tumor/carcinoid (Pathologist uses both terms in reporting the diagnosis and does not want to choose one diagnosis over the other.)
    		 2013
    		20130122 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when an excisional biopsy of a chest wall nodule shows diffuse large B-cell lymphoma (40%) and follicular lymphoma, grade 3A (60%)? See Discussion.

    The patient presented with a right chest wall nodule. The PET scan showed widespread disease: subcutaneous nodule/mass in the left scalp and right chest wall; large right paraspinal mass; soft tissue density likely a second early paraspinal mass at the right costovertebral junction; right paravertebral mass; and abnormal bony foci in the right humeral head, right iliac crest, right acetabulum and right femur. The physical exam showed 2 cm left supraclavicular lymphadenopathy and a firm 3 cm mass in the right chest wall. Lungs were clear. Abdomen showed no masses or ascites, and no palpable hepatosplenomegaly.

    Chest wall nodule excisional biopsy pathology: Lymph node and adjacent soft tissue: Malignant lymphoma with components: 1. Diffuse large B-cell lymphoma (40%). 2. Follicular lymphoma, grade 3A (60%). Pathology report note states the diffuse large cell lymphoma is probably arising from the follicular center cell lymphoma.

    Should this be a single primary? There is no mention of cutaneous lymphoma.

    Accession a single primary per Rule M4. Code histology to 9680/3 [diffuse large B-cell lymphoma] per Rule PH11.

    Per Rule M4, accession a single primary when two or more non-Hodgkin lymphomas are present in the same lymph node or organ.

    Per Rule PH11 code the histology to diffuse large B-cell lymphoma (DLBCL) (9680/3) when DLBCL and any other non-Hodgkin lymphoma are present in the same lymph node(s), lymph node region(s), organ(s), tissue(s) or bone marrow.

    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.

    		2013
    		20130128 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned if a patient has a history of chronic myelomonocytic leukemia and a 12/08/2011 subsequent biopsy of the left leg that confirms leukemia cutis? See Discussion. Patient with a history of chronic myelomonocytic leukemia has been undergoing treatment with Dacogen for three years. On 12/8/11 the patient had a biopsy of the left leg that confirmed a diagnosis of leukemia cutis. How is the leukemia cutis coded?

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

    Accession a single primary, chronic myelomonocytic leukemia [9945/3], per Rule M2. Accession a single primary when there is a single histology.

    This is not a new primary. Leukemia cutis is the infiltration of neoplastic leukocytes into the skin from the existing leukemia. This is an advanced phase of the leukemia and has a poor prognosis.

    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.

    		2013
    		20130119 Reportability--Heme & Lymphoid Neoplasms: Would this case be reportable? Patient with a myelodysplastic syndrome secondary to a copper deficiency. Myelodysplastic syndrome is a reportable disease. Document in the text that the MDS was due to a copper deficiency. 2013