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Report Produced: 08/28/2025 19:48 PM

Report Question ID Question Discussion Answer Year
20130017

Reportability--Heme & Lymphoid Neoplasms: Is reactive thrombocytosis reportable? See Discussion.

The doctor's impression: "Thrombocytosis, mild without other obvious hematologic difficulty. I would be most suspicious for early iron deficiency related to her prior menometrorrhagia. Would limit initial evaluation to iron studies, review of peripheral smear, and hepatic profile."

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

Reactive thrombocytosis is not reportable and is not an alternative name for essential thrombocythemia [9962/3].

Only the following are listed as alternate names for essential thrombocythemia in the Heme DB:

  • Essential hemorrhagic thrombocythemia

  • Essential thrombocytosis

  • ET

  • Hemorrhagic thrombocythemia

  • Idiopathic hemorrhagic thrombocythemia

  • Idiopathic thrombocythemia

  • Idiopathic thrombocytosis

  • Primary thrombocythemia

  • Primary thrombocytosis

  • Thrombocythemia vera

    • 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
    		20130097 Reportability--Heme & Lymphoid Neoplasms: Are either heparin-induced thrombocytopenia or heparin-induced thrombocytopenia that becomes refractory thrombocytopenia reportable?

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

    Heparin-induced thrombocytopenia is not reportable.

    If the diagnosis is changed to refractory thrombocytopenia, then this case is reportable.

    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
    		20130189

    Reportability--Brain and CNS: Are the terms 'mass' and 'lesion' reportable terms for accessioning brain and CNS primaries? See Discussion.

    With respect to reportability, the SEER Manual mentions 'tumor' and 'neoplasm,' but not 'mass' or 'lesion.' The SEER MP/H Manual states tumor, mass, lesion and neoplasm are equivalent terms for determining multiple primaries, but does this apply to reportability? If not, what is the distinction?

    'Mass' and 'lesion' are not reportable terms for benign/borderline brain and CNS tumors.

    Reportable terms for benign/borderline brain and CNS primaries are 'tumor' and 'neoplasm.' These terms appear in the ICD-O-3. 'Lesion' and 'mass' do not appear in the ICD-O-3. Do not use the MP/H Manual to determine reportability; page 2 of the SEER Manual is the correct source for reportability instructions.

    		 2013
    		20130185

    Reportability/Behavior: Is HGSIL (high grade squamous intraepithelial lesion) of the vulva or vagina reportable and is it a synonym for histology code 8077/2 [squamous intraepithelial neoplasia, grade III]?

    For cases diagnosed 2018 and later

    HGSIL of the vulva or vagina is reportable. HGSIL is a synonym for squamous intraepithelial neoplasia, grade III.

    		 2013
    		20130136 Multiple primaries--Heme & Lymphoid Neoplasms: If a neoplasm is listed under the Transformations section in the Heme DB, is this always a new primary? See Discussion.

    Where are the instructions for coding transformations? When a disease is listed under the transformations, the Multiple Primaries Calculator states it is a new primary. Is this a new primary when the physician calls it a transformation?

    For example, patient was diagnosed in 2000 with chronic lymphocytic leukemia (CLL). A biopsy of a stomach mass on 4/26/12 was positive for diffuse large B-cell lymphoma. DLBCL is listed under the Transformations To section in the Heme DB for CLL. Is this a new primary because it is a transformation?

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

    Transformations do not always indicate a multiple primary is to be reported. Always apply the M Rules to determine the number of primaries. Refer to Rules M8-M13 in the Heme Manual address to determine the number of reportable primaries when chronic and acute neoplasms (transformations) are indicated on a case. Do not use the MP Calculator to determine the number of primaries unless the M Rules direct you to use it.

    This case should be accessioned as two primaries, chronic lymphocytic leukemia [9823/3] diagnosed in 2000, and diffuse large B-cell lymphoma [9680/3] diagnosed on 04/26/2012 per Rule M10. Abstract a new primary when a neoplasm is originally diagnosed as a chronic (less aggressive) neoplasm (CLL) and there is a second diagnosis of an acute neoplasm (DLBCL) more than 21 days later.

    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
    		20130184

    Reportability--Appendix: Are low-grade appendiceal mucinous neoplasms reportable?

    For cases diagnosed prior to 1/1/2022

    A low-grade appendiceal mucinous neoplasm (LAMN) is not reportable. The WHO classification designates LAMN with the behavior code /1 [uncertain whether benign or malignant].

    		 2013
    		20130137 Histology--Heme & Lymphoid Neoplasms: How is the histology coded for follicular lymphoma, low grade? See Discussion. Pathologists seem to be moving away from identifying follicular B-cell lymphomas as grade 1, grade 2, etc. Instead, the term follicular lymphoma, low grade is being used. Should the histology be coded as follicular lymphoma, NOS even though the Heme DB indicates this code is usually used for death certificate cases?

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

    Code the histology to 9690/3 [follicular lymphoma, NOS].

    Low grade for follicular lymphoma are not listed in the Heme DB or Manual. Because low grade can mean grade 1 or grade 2, default to follicular lymphoma, NOS [9690/3].

    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
    		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
    		20130073

    Reportability--Brain and CNS: Is Rosai-Dorfman disease a neoplastic reportable disease process if it occurs in the brain? See Discussion.

    The pathology report diagnosis is: Cranium, right temporal area, resection of intradural, extra-axial mass: Severe acute and chronic inflammation, histiocytic reaction, and proliferative fibrosis. See comment.

    Comment: Among potential alternative considerations are an infectious process, or non-infectious inflammatory CNS lesions such as inflammatory pseudotumor, Rosai-Dorfman disease, plasma cell granuloma, idiopathic hypertrophic pachymeningitis, and inflammatory myofibroblastic tumor.

    The clinicians discuss this and review other chart information and conclude the patient has a clinical diagnosis of Rosai-Dorfman disease.

    This is a rare disorder characterized by proliferation of histiocytes.

    This case is not reportable. Rosai-Dorfman disease is not listed in the ICD-O-3. To be reportable, a neoplasm must be listed in the ICD-O-3 and originate in a reportable brain/CNS site.

    		 2013
    		20130094 MP/H Rules/Multiple primaries--Lung: How many primaries are accessioned and which M rule applies for a 2010 diagnosis of clear cell adenocarcinoma of the left upper lobe lung followed by a 2012 diagnosis of adenosquamous carcinoma of lung origin without evidence of a primary lung tumor? See Discussion.

    Patient was diagnosed with T1 N0 M0 adenocarcinoma with prominent clear cell features [8310/3] in the LUL on 08/05/2010. The patient underwent a lobectomy only.

    On 10/09/2012 the patient underwent an iliac bone biopsy showing non-small cell carcinoma with glandular and squamous features [8560/3]. Clinically, the physician is calling this stage IV adenosquamous carcinoma of lung origin involving lymph nodes, spleen and bones. There were no FDG avid pulmonary nodules found. There was no pathologic comparison to the prior lung tumor.

    Should the 2012 diagnosis be a new primary because the histology is different from the 2010 diagnosis? Or should this be one primary because there appears to be only metastatic disease with no new primary lung tumor identified in 2012? The choice of one primary seems supported by the fact that the 2012 tumor showed glandular and squamous features, and the 2010 tumor also showed glandular and clear cell (NOS) features. The clear cell could have been a clear cell squamous cell carcinoma. The original tumor was not re-examined.

    Accession a single primary, clear cell adenocarcinoma [8310/3] of the left upper lobe lung [C341] diagnosed on 08/05/2010.

    The MP/H Rules do not apply to the 2012 diagnosis because only metastatic sites were examined and there was no re-examination of the original 2010 tumor. Therefore, the disease process in 2012 is assumed to be metastatic from the lung primary diagnosed in 2010.

    		2013