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Report Produced: 11/01/2024 03:16 AM

Report Question ID Question Discussion Answer Year
20120068 Histology--Heme & Lymphoid Neoplasms: What is the correct histology code for a diagnosis of mature B cell leukemia/lymphoma diagnosed only on a peripheral blood smear?

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

Code the histology to 9591/3 [B-cell lymphoma, NOS].

After searching the Heme DB for the term , no B-cell leukemia/lymphoma NOS code is found. However, the diagnosis of B-cell lymphoblastic leukemia/lymphoma is found. This case scenario does not specify that this is a lymphoblastic leukemia/lymphoma; therefore, the histology code 9811/3 [B-cell lymphoblastic leukemia/lymphoma, NOS] cannot be applied.

A subsequent search of the Heme DB for the term returns "Non-Hodgkin lymphoma, NOS" [9591/3]. Under the Alternative Names section of the Heme DB, B-cell lymphoma, NOS, is a synonym for Non-Hodgkin lymphoma, NOS. Therefore, the B-cell lymphoma NOS code [9591/3] is the most appropriate histology code to use for this case.

This will be added to the next revision of the Heme DB and Manual.

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.

2012
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
20110150 Ambiguous Terminology--Heme & Lymphoid Neoplasms: As ambiguous terminology is not used to code histology for Heme & Lymphoid primaries, how is the histology coded when a patient has a clinical diagnosis of "consistent with a myelodysplastic syndrome"? See Discussion.

The physician states the "patient's clinical picture certainly is most consistent with MDS." Several FISH probes were performed on peripheral blood, specifically looking for the 5q minus syndrome as well as other molecular rearrangements to suggest or confirm MDS. These studies came back as normal. The initial bone marrow also came back negative. The physician then states, "The suspicion was that this represented a myelodysplastic syndrome despite the normal cytogenetics. Additional studies performed on the date of the clinic visit included the FISH for the 5q minus syndrome as well as CD59 to exclude PNH. Both of these were negative. Therefore, at this juncture, the patient has a macrocytic anemia not yet requiring transfusion support with a normal white count and an elevated platelet count and a hypercellular bone marrow. This is certainly consistent with a myelodysplastic syndrome."

Per coding guidelines, ambiguous terminology is not used to code histology, only for reportability. What is the histology code for this case?

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

Code the histology as Myelodysplastic syndrome, unclassifiable [9989/3].

Ambiguous terminology is used to accession cases (determine reportability). While ambiguous terminology is generally not used to code a specific histology, it can be used to code histology if it is the .

The statement that you do not use ambiguous terms to code histology is intended for those NOS histologies with an ambiguous term being used to describe the subtype. For example, if the physician states this is a myelodysplastic syndrome, NOS, refractory thrombocytopenia. The correct histology would be MDS, NOS [9989/3] and not refractory thrombocytopenia [9992/3].

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.

2011
20130095 Grade--Heme & Lymphoid Neoplasms: How is grade coded for acute lymphoblastic leukemia, NOS? See Discussion. The Heme DB indicates histology code 9811/3 [B lymphoblastic leukemia/lymphoma] is the current histology code to use for the now obsolete term of acute lymphoblastic leukemia [9835/3]. The Heme DB entry for histology code 9835/3 states to "Code grade specified by pathologist. If no grade specified, code 9." The Heme DB entry for the current histology code, 9811/3, states to code the grade to 6 [B-cell]. Should grade be coded to 6 [B-cell] for all cases coded to histology code 9811/3?

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

Code the grade to 6 [B-cell] for all cases of 9811/3 [B lymphoblastic leukemia/lymphoma] per Rule G3 in the Heme Manual.

Acute lymphoblastic leukemia, NOS [9835/3] is an obsolete code and cannot be used for cases diagnosed 2010 and later. The Heme DB indicates the correct histology code is 9811/3 and grade 6 [B-cell] for cases diagnosed 2010 and later.

For cases of acute lymphoblastic lymphoma, NOS [9835/3] diagnosed prior to 2010, use the pathology report information to code the grade. Code the grade as 9 [unknown] if the pathology report does not specify the grade.

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
20130062 Date of diagnosis--Heme & Lymphoid Neoplasms: Should the diagnosis date be coded to the date of the flow cytometry on the peripheral blood or the date of the bone marrow biopsy for a diagnosis of chronic lymphocytic leukemia/low grade B-cell lymphoma? See Discussion. Is a flow cytometry on peripheral blood alone diagnostic of a hematopoietic malignancy (CLL)? If not, when the diagnosis is verified by a subsequent histologic diagnosis (bone marrow biopsy) would the diagnosis date be the date of the peripheral blood flow cytometry or the date of the bone marrow biopsy? The Class of Case depends on this diagnosis date.

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

Code the diagnosis date to the date of the peripheral blood flow cytometry because this is a procedure used to diagnose CLL. Per both the Abstractor Notes and the Definitive Diagnostic Methods sections in the Heme DB, CLL is diagnosed by flow cytometry (immunophenotyping).

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
20100044 Primary site--Heme & Lymphoid Neoplasms: Should the primary site be coded to C499 [Blood vessels, NOS] for a case of intravascular large B cell lymphoma, Asian variant [9712/3] found in the bone marrow and liver? See Discussion. Patient has biopsy proven intravascular large B cell lymphoma, Asian variant, (9712/3) in bone marrow and liver. The Hematopoietic Database does not give a primary site code. Should the primary site be coded C49.9 because, by definition, this lymphoma arises in the blood vessels?

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

Code primary site to C499 [blood vessels]. The definition in the Heme DB does specify that this type of extranodal large B-cell lymphoma is characterized by lymphoma cells within the lumina of blood vessels with the exception of larger arteries and veins. The reason no primary site is specified is that Western variant can originate in the skin or CNS.

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.

2010
20100111 Histology--Heme & Lymphoid Neoplasms: How is this field coded for a "myeloma, plasmablastic variant"?

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

Code histology to 9732/3 [multiple myeloma]. The plasmablastic subtype/variant does have a prognostic indication, but the disease is still coded as multiple 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.

2010
20100070 Histology--Heme & Lymphoid Neoplasms: How is this field coded for a follicular lymphoma, grade 2 of 3, predominantly nodular?

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

Code histology to 9691/3 [Follicular lymphoma, grade 2]. Nodular lymphoma is an obsolete term once used to describe follicular lymphoma. (See Appendix A, Table A3)

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.

2010
20110084 Histology--Heme & Lymphoid Neoplasms: Is histology coded to 9684/3 [malignant lymphoma, diffuse large B-cell, immunoblastic NOS] for a biopsy that reveals "diffuse large B-cell lymphoma, immunoblastic variant"?

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

Code histology to 9680/3 [diffuse large B-cell lymphoma]. Code 9684/3 [malignant lymphoma, diffuse large B-cell, immunoblastic NOS] is obsolete for cases diagnosed 2010 and later per the Heme DB.

Under the Definitions section in the Heme DB, it states that this is a lymphoma with diffuse proliferation of large neoplastic B lymphoid cells with nuclear size exceeding macrophage nuclei, more than twice size of normal lymphocytes. Normal architecture of node or extranodal tissue replaced in diffuse pattern. Morphologic variants: centroblastic, immunoblastic, plasmablastic, T-cell/histiocyte-rich, anaplastic.

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
20130069 Reportability--Heme & Lymphoid Neoplasms: Is chronic myeloproliferative neoplasm reportable? See Discussion. The Heme DB indicates myeloproliferative neoplasm is reportable, but does not indicate whether chronic myeloproliferative neoplasm is. Does the word "chronic" make this non-reportable?

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

Chronic myeloproliferative neoplasm is reportable. The preferred term is myelodysplastic/myeloproliferative neoplasm, unclassifiable (MPN). Chronic myeloproliferative neoplasm is listed in the Heme DB under the Alternate Names section for this neoplasm.

The term chronic does not affect the reportability of this neoplasm. The newer terms are myeloproliferative neoplasm or myeloproliferative disorder and chronic is not used in most diagnoses.

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