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Report Produced: 02/15/2026 13:03 PM

Report Question ID Question Discussion Answer Year
20130132 Diagnostic confirmation--Heme & Lymphoid Neoplasms: What is the diagnostic confirmation code for a death certificate only (DCO) diagnosis of acute myeloid leukemia?

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

Always code diagnostic confirmation to 9 [Unknown whether or not microscopically confirmed; death certificate only] for DCO cases.

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
20130200 Primary Site--Heme & Lymphoid Neoplasms: What is the primary site for a diffuse large B-cell lymphoma involving the testicles, stomach, rectum and bone marrow, when no lymph nodes are involved?

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

Per PH27, code the primary site to C809 [unknown]. Rule PH27 states one is to code the primary site to unknown [C809] when there is no evidence of lymphoma in lymph nodes AND the physician documents in the medical record that he/she suspects that the lymphoma originates in an organ(s) OR there is multiple organ involvement without any nodal involvement.

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
20130050 Multiple Primaries/Primary site/Histology--Heme & Lymphoid Neoplasms: How many primaries are accessioned and what is the primary site and histology for each if a 6/12/12 left shoulder mass specimen suspicious for large B-cell lymphoma is followed on 7/10/12 with three skin nodules excised from the back with a diagnosis of "composite lymphoma? See Discussion.

6/12/12 Excisional biopsy left shoulder soft tissue mass: Suspicious for large B-cell lymphoma.

7/10/12 Excisional biopsy three skin nodules of back: "Composite lymphoma" - primary cutaneous anaplastic large cell lymphoma (CD3 pos, CD4 pos, CD30 pos, ALK neg with partial loss of CD5) and CONCURRENT cutaneous follicular center lymphoma (CD20 pos, PAX5 pos, BCL-6 pos, partially CD10 pos) and flow cytometry revealed results compatible with involvement by a lymphoproliferative disorder of T-cell lineage.

Per imaging performed, there was no involvement of lymph nodes or other organs.

Is the primary site C449 Skin, NOS and histology 9718/3 [Lymphoma, primary cutaneous anaplastic large cell] be correct?

Code primary site to C445 [skin, back] and histology to 9718/3 [cutaneous anaplastic large cell lymphoma] .

Per Rule M6, abstract a single primary when two or more types of non-Hodgkin lymphoma are simultaneously present in the same anatomic location. For this case, there is cutaneous follicular (follicle) center lymphoma (9597/3) and cutaneous anaplastic large cell lymphoma (9718/3).

Per Rule PH22, code the primary site to the site or origin (skin, back) and the histology to the NHL with the numerically highest ICD-O-3 code. In this case, that would be 9718/3.

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
    		20130146 Histology--Heme & Lymphoid Neoplasms: What is the histology code for a diagnosis of myeloproliferative neoplasm/myelodysplastic syndrome overlap?

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

    Code the histology to 9975/3 [myelodysplastic/myeloproliferative neoplasm, unclassifiable]. Per the Definition section in the Heme DB, this neoplasm has the, "Clinical laboratory and morphological features of myeloproliferative neoplasm but fails to meet the criteria for a specific myeloproliferative neoplasm; or presents with features that overlap two or more MPN neoplasms."

    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
    		20130131 Primary site--Heme & Lymphoid Neoplasms: How is the primary site coded, and which PH rule applies, when chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is diagnosed simultaneously by biopsies of both lymph node(s) and the bone marrow?

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

    Code the primary site to C421 [bone marrow] per Rule PH5 when CLL/SLL [9823/3] involves the bone marrow.

    In the later stages of CLL/SLL, there may be involvement of bone marrow AND lymph node(s), lymph node region(s), organ(s), or tissue(s). As long as the peripheral blood and/or bone marrow are involved, the primary site is bone marrow.

    WHO states that the diagnostic criteria for CLL versus SLL is not clearly defined. According to WHO guidelines, it is better to code to CLL/SLL and code the primary site to bone marrow when the marrow is involved and to lymph nodes, organ, or tissue when there is no bone marrow involvement.

    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
    		20130186

    Grade: Can the FIGO grade be used to code the morphologic grade? See discussion.

    FIGO Grade is coded in CS SSF 7 in the Corpus Uteri schema. The SEER Manual does not address using FIGO grade for coding grade in morphology.

    Do not use FIGO grade to code the grade field. See the sentence below the table in Instruction #6 in the Grade Coding Instructions for cases diagnosed 2014 and later, http://seer.cancer.gov/tools/grade/

    		2013
    		20130086 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a patient is diagnosed in 2008 with chronic myeloid leukemia, chronic phase and is subsequently diagnosed with both accelerated phase (2010) and blast crisis of CML (2012)? See Discussion.

    Patient diagnosed in 1/2008 with CML, Chronic phase and had a complete remission following treatment.

    In 3/2010 the patient was diagnosed with CML, Accelerated phase and again had a complete remission following treatment.

    In 02/2012 the patient was diagnosed with CML, Blast crisis.

    How do chronic and acute neoplasms (Rules M8 - M13) relate to histologies that are stated to have Chronic, Accelerated and Blast phases per the Heme DB? These histologies don't change, does this mean Rules M8 - M13 do not apply because there isn't a change in histology? How many primaries should be accessioned in this case?

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

    This case is accessioned as a single primary, chronic myeloid leukemia, NOS [9863/3] diagnosed 01/2008 per Rule M2. The patient was diagnosed with CML, NOS [9863/3] in 2008 and again in 2010 and 2012. Abstract a single primary when there is a single histology.

    CML, Chronic phase; CML, Accelerated phase; and CML, Blast phase (Blast crisis) are listed under the Alternate Names section for CML, NOS in the Heme DB.

    Not all histologies have transformations. If a transformation is not listed in the Heme DB, Rules M8 - M13 do not apply.

    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
    		20130114 Histology--Heme & Lymphoid Neoplasms: How is the histology coded when the bone marrow biopsy shows acute myeloid leukemia, but the physician states this is therapy-related AML secondary to prior radiation treatment? See Discussion. Physician states this patient has radiation therapy-related AML due to radiation received as treatment for a prior prostate cancer. The bone marrow and other immunophenotyping do not state this is therapy-related AML. Should the histology be coded AML, NOS [9861/3] or therapy-related AML [9920/3]?

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

    Code the histology as therapy-related acute myeloid leukemia, NOS [9920/3] when the physician states this is a therapy-related AML.

    The therapy-related diagnosis may be either clinically or pathologically stated to code the histology to 9920/3. In this case, the physician is aware of the previous chemotherapy, hormone therapy or radiation and adds that knowledge to the histologic findings of AML. The pathology report did not include this clinical, historical information as part of the final diagnosis. However, one can code therapy-related acute myeloid leukemia because clinically it was stated.

    We recommend that you clearly document in the abstract that you are coding a clinical histology.

    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
    		20130187 Reportability: Is a clinically diagnosed Stage III malignant thymoma reportable when the post-neoadjuvant resection showed spindle cell thymoma? See Discussion. A thymoma is described by the medical oncologist at the time of the initial diagnosis as a malignant thymoma, Stage III. The patient had neoadjuvant CAP chemotherapy followed by a resection. Following the resection, the pathologist stated the diagnosis was spindle cell thymoma. A malignant thymoma is reportable. Based on the information provided, a reportable diagnosis (malignant thymoma) was made by a physician and the patient was treated for this diagnosis. Because there is no mention of the initial diagnosis being amended based on the resection specimen's pathology report, assume the initial diagnosis is still valid. 2013