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Report Produced: 01/14/2026 10:46 AM

Report Question ID Question Discussion Answer Year
20130207 Multiple primaries--Heme & Lymphoid Neoplasms: Is a new primary reported for the diagnosis of plasmacytoma associated with a pathological fracture if it follows a diagnosis five years ago of multiple myeloma? See Discussion.

Multiple myeloma was diagnosed more than 5 years prior to admission. The patient underwent multimodality treatment.

Currently, the patient suffered a fracture. The pathology report diagnosis was "plasmacytoma." The discharge summary states, "multiple myeloma advanced with multiple lytic lesions".

Does this scenario represent a single primary dating back to the original diagnosis? Or does the diagnosis of plasmacytoma on the recent biopsy indicate a new primary because it was originally diagnosed as acute and reverts to a chronic neoplasm after treatment more than 21 days later?

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

Per the Abstractor Notes section, this case represents a single primary. Histology is coded to 9732/2 [multiple myeloma], which is now advanced.

Review the Abstractor Notes section in the Heme DB for multiple myeloma. It states that in multiple myeloma there is generalize bone marrow involvement. It further states that lytic bone lesions and bone tumor masses of plasma cells (plasmacytomas) are signs of advanced disease. According to the Discharge Summary, this patient had multiple lytic lesions and plasmacytoma which indicates advanced 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.

2013
20130208

Histology--Heme & Lymphoid Neoplasms: How is histology coded when a bone marrow shows slightly hypercellular marrow with acute myeloid leukemia, non-M3 type and the flow cytometry is also consistent with acute myeloid leukemia, non-M3 type?

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

Without further information as to the type of acute myeloid leukemia, code the histology to 9861/3 [acute myeloid leukemia, NOS]. If further information on the specific acute myeloid leukemia becomes available, update the histology code.

Document that the pathology report states the acute myeloid leukemia is a "non-M3 type" in a text field. This documentation will help explain the choice of 9861/3 for this case. M3 refers to one of the eight FAB subtypes described by a group of French, American, and British leukemia experts in the 1970's who divided acute myeloid leukemias into subtypes, M0 through M7. They classified the disease based on the type of cell from which the leukemia developed and how mature the cells were. This was based largely on how the leukemia cells looked under the microscope after routine staining.

In this case, all we know is that the histology does not pathologically represent the M3 (acute promyelocytic leukemia (APL)) form of acute myeloid leukemia. We do not know which type of acute myeloid leukemia it does represent.

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
20130031

Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a plasmacytoma of the intervertebral disc is diagnosed in 2010 followed by a diagnosis of immature plasma cell myeloma by a right hip biopsy in 2011? See Discussion.

The patient was diagnosed with intervertebral disc plasmacytoma and had radiation therapy to the pelvic bones in 2010. In 2011 (more than 21 days later) a right hip biopsy revealed immature plasma cell myeloma. There is clinical documentation that this is progression into myeloma. Per the Heme DB (Primary Site(s) and Definition sections) and Rule PH30, in the Heme Manual, the primary site is coded to C421 [bone marrow] and the histology is coded 9732/3 [plasma cell myeloma] when there is a clinical diagnosis of multiple myeloma and/or there is no documentation of a bone marrow biopsy or the results are unknown. This patient did have a bone marrow biopsy that indicates there are an increased plasma cells present; plasma cells represent less than 10%. The skeletal survey and bone scan did not reveal any further lesions.

Is this progression of disease because there is only one lesion in the right hip 8 months after the diagnosis of plasmacytoma? Or is this a second primary based on the right hip biopsy that showed plasma cell myeloma and the physician's documentation of disease progression? Plasmacytomas are usually single lesions. Would this disease process have multiple lesions if they are diagnosed at different times?

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

This case is accessioned as two primaries: Plasmacytoma diagnosed in 2010 and plasma cell myeloma diagnosed in 2011 per Rule M10. The patient has a diagnosis of a solitary plasmacytoma (chronic neoplasm) followed by a diagnosis of plasma cell myeloma (acute neoplasm) diagnosed greater than 21 days later.

The physician is calling this a progression to plasma cell myeloma even though the bone marrow has less than 10% plasma cells, take this statement as progression or a clinical diagnosis of plasma cell myeloma.

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
20130209

Multiple primaries--Heme & Lymphoid Neoplasms: Is a new bone marrow diagnosis of acute myelogenous leukemia that follows a 2007 treated diagnosis of a JAK-2 positive polycythemia vera a new primary?

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

Per Rule M10, abstract two primaries. Per the Heme DB, polycythemia vera [9950/3] transforms to an acute myelogenous leukemia [9861/3]. According to Rule M10, one is to abstract multiple primaries when a neoplasm is originally diagnosed as a chronic neoplasm (e.g., polycythemia vera) AND there is a second diagnosis of an acute neoplasm (e.g., acute myelogenous leukemia) 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.

 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
20130077 Reportability--Heme & Lymphoid Neoplasm: What is the histology code if a myeloproliferative disorder is reportable should a physician suspect this diagnosis and treats the patient? See Discussion. Physician suspects patient has a myeloproliferative disorder and treats her with a phlebotomy and Hydrea. Patient receives Hydrea during an inpatient stay, but does not see the Heme/Onc again. The patient is subsequently only seen by a Palliative Medicine physician who also states she has an underlying myeloproliferative disorder. The patient died while an inpatient.

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

This is a reportable diagnosis and should be accessioned with the histology coded to 9975/3 [myelodysplastic/myeloproliferative neoplasm, unclassifiable].

The term is a reportable ambiguous term per the Hematopoietic Coding Manual (Case Reportability Instructions, Rule 4). Also, the patient was treated for a myeloproliferative disorder, making this a reportable clinical diagnosis per the SEER Manual (Reportability, Pg 4, Exception 1).

Myeloproliferative disorder is synonymous with myeloproliferative disease. Myeloproliferative disease is listed as an alternate name for myelodysplastic/myeloproliferative neoplasm, unclassifiable.

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
20130096 Primary site--Heme & Lymphoid Neoplasms: How is the primary site coded for a mantle cell lymphoma found in the sigmoid colon on colonoscopy with biopsy?

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

Code the primary site to the sigmoid colon [C187] per Rule PH24. Code the primary site to the organ when lymphoma is present only in an organ. Based on the information provided, the lymphoma is present only in the sigmoid colon.

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
20130080 Primary site/Histology--Heme & Lymphoid Neoplasms: How are the primary site and histology coded when a right neck mass and spinal mass both show B-cell lymphoma, favor Burkitt lymphoma? See Discussion.

2/5/11 Right neck swelling. Biopsy of mass B-cell lymphoma, favor Burkitt lymphoma.

7/5/11 Hemi-laminectomy, L2-L5 spinal mass: Malignant lymphoma, B-cell phenotype, favor Burkitt lymphoma.

Should the primary site be C779? Is the correct histology Burkitt lymphoma [9687/3] or malignant lymphoma, diffuse large B-cell [9680/3]?

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

Code the primary site to C779 [lymph nodes] per Rule PH22 and the histology to 9591/3 [B-cell lymphoma, NOS].

Code the primary site to C779 [lymph nodes, NOS] when lymphoma is present in an organ and lymph nodes that are not regional for that organ and the origin cannot be determined even after consulting the physician. The patient has involvement of a lumbar spine mass and cervical lymph nodes. Cervical lymph nodes are not regional to the lumbar area of the spine.

Do not use ambiguous terminology to code histology for hematopoietic neoplasms. "Favor" is ambiguous terminology. Therefore, the histology must be coded to B-cell lymphoma and not to diagnosis which is "favored" (Burkitt lymphoma). Remember that ambiguous terminology is only used to determine case reportability, not to code histology for hematopoietic 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
20130107 Histology--Heme & Lymphoid Neoplasms: How is the histology coded for a diagnosis of polycythemia vera with myeloproliferative syndrome?

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

Code the histology to 9950/3 [polycythemia vera], the more specific histology, per Rule PH29. Myeloproliferative syndrome is a non-specific (NOS) histology and polycythemia vera is a specific type of myeloproliferative 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.

2013