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Report Produced: 02/26/2026 14:34 PM

Report Question ID Question Discussion Answer Year
20110011 Reportability--Heme & Lymphoid Neoplasms: Is a 2010 diagnosis of "thrombocytopenia of unknown etiology" reportable? See Discussion.

No exact match returned after entering the term "thrombocytopenia of unknown etiology" in the Heme DB. However, the program does indicate there are 17 results that could be displayed that show any of the 4 terms entered. Clicking on the search label indicates there are no matches either.

The only result returned after entering "thrombocytopenia" into the search box is "refractory thrombocytopenia."

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

"Thrombocytopenia of unknown etiology" is not reportable. Thrombocytopenia refers to a low platelet count which causes bleeding. Thrombocytopenia can be caused by viral infections, excessive alcohol usage, HIV, and other causes (including chemotherapy). If the diagnosis is not "refractory thrombocytopenia" the case is not reportable. Appendix F lists this term as non-reportable.

If you do not see the term in the Heme DB under either the Name column or the Alternative Names section for the results returned, it is not reportable. The only reportable term that contains the word thrombocytopenia is refractory thrombocytopenia. Therefore, thrombocytopenia of unknown etiology is not 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.

2011
20110131 Reportability--Heme & Lymphoid Neoplasms: Does a change in the 2008 diagnosis from refractory anemia with excess blasts (RAEB I) to a subsequent diagnosis of RAEB II in 2011 need to be reported to the state if the Hematopoietic Database indicates these diagnoses represent the same primary?

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

RAEB I and RAEB II [9983/3] have the same histology code per the Heme DB. They are synonyms. Per Rule M2 one abstracts a single primary when there is a single histology. There is no change to report to the state regarding histology.

The I and II designators indicate the number of blasts in the bone marrow. In RAEB, the number of blasts measures the severity of the disease and is also a predictor of the chance of a genetic transformation to AML.

In this case, the patient's disease has progressed to a more severe phase - similar to a solid tumor progressing from Stage II to Stage III.

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
20110125 MP/H Rules/Histology--Lung: What would the histology code be for a wedge bx of the left lung, lower lobe, that was read out as well differentiated adenocarcinoma with micropapillary features? Code papillary adenocarcinoma 8260/3. The ICD-O-3 codes for micropapillary have specific associations such as ductal, serous or transitional. None of those associations fit lung primaries. 2011
20110046

MP/H Rules/Multiple primaries--Stomach: If there is no statement of recurrence, how many primaries are to be abstracted when a patient is diagnosed with multiple gastric carcinoid tumors between 12/2003 and 3/2009? See Discussion.

Are the multiple primary rules applicable when a patient has multiple gastric carcinoid tumors? The patient was diagnosed with carcinoid tumors starting in 12/2003 through 3/2009. According to the 2004 SEER Manual, rule 5, if a tumor with the same histology is identified in the same site at least two months after the original diagnosis, this is a separate primary. The physician does not indicate that the pre-2007 carcinoid tumors were recurrent. The patient does not have familial polyposis syndrome. Should each of the following tumors be a separate primary?

12/2003 - Gastric Polyp Removal - Path: Gastric carcinoid tumor

05/2004 - Stomach body polyp removal - Path: Carcinoid Tumor (endocrine cell tumor)

09/2004 - Single polyp in body removal - Path: Gastric carcinoid

03/2005 - Multiple gastric body polyps removed - Path: Carcinoid tumor

07/2005 - 3 small polyps in fundus removal - Path: Carcinoid tumor

02/2007 - Localized nodularity in lesser curvature - Path: Carcinoid (neuroendocrine) tumor

03/2009 - Stomach body polypectomy - Path: Carcinoid tumor

Code as a single primary. The histology is carcinoid.

Our expert pathology consultant replied as follows: "This patient clearly has a condition driving the proliferation of neuroendocrine cells. Possibilities include hypergastrinemia from a gastrinoma or from response of antral gastrin cells due to achlorhydria from long standing chronic atrophic gastritis, or multiple endocrine neoplasia (MEN1) syndrome (genetically driven). How should these cases be coded given we do not have a way to code the inciting situation. (I suspect the gastroenterologist knows what it is, but we haven't obtained that information.) We do not have an ICD-O-3 code for the underlying condition, MEN1 or hypergastrinemia. Therefore, the only choice is to code the resulting tumor, carcinoid [8240/3]."

 2011
20110096 Behavior--Lung: How is behavior to be coded for a diagnosis of adenocarcinoma of a lung tumor that is further classified per the CAP protocol as, "non-mucinous bronchiolo-alveolar carcinoma (adenocarcinoma in situ)" while the pathologist also classifies the tumor as pT1b, pN0? See Discussion. Is the following case coded with an invasive or in situ behavior when a RUL lobectomy specimen reveals adenocarcinoma and the Histologic Type per the CAP protocol layout is non-mucinous bronchiolo-alveolar carcinoma (adenocarcinoma in situ)? The stage per the pathologist is pT1b, pN0. Per the COMMENT section in the pathology report, "The terminology adenocarcinoma in situ is based on a recent publication in the Journal of Thoracic Oncology (Volume 6, #2, February 2011). Based on this criterion, the behavior represents adenocarcinoma in situ with no evident invasive component." Code the behavior as in situ. The pathologist has the final say on the behavior of the tumor. This pathologist is indicating that in his opinion based on a recent publication, this tumor is in situ. 2011
20110134 Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are to be abstracted, and what rule applies, when the patient has a 1999 diagnosis of Burkitt high grade B-cell lymphoma and was diagnosed in 2011 with diffuse large B-cell lymphoma? See Discussion Patient diagnosed in 1999 with Burkitt high-grade B cell lymphoma of the thyroid gland and cervical nodes. The patient was treated with a thyroidectomy and chemotherapy. A 2011 biopsy of the parotid gland is positive for diffuse large B cell lymphoma. The pathologist reviewed the 1999 and 2011 pathology reports and stated this is one primary.

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

This case should be accessioned as two primaries per Rule M15. Rule M15 instructs one to use the Heme DB Multiple Primaries Calculator to determine the number of primaries for all cases that do not meet the criteria of M1-M14. Code the histology for the 1999 primary to 9687/3 [Burkitt high grade B cell lymphoma] and code primary site to C739 [thyroid.] Code the second primary to 9680/3 [diffuse large B-cell lymphoma] with primary site coded to C079 [parotid gland] per Rule PH24 which instructs one to code the to the when lymphoma is present only in an .

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
20110149

Ambiguous Terminology/Histology--Heme & Lymphoid Neoplasms: How are the histology and diagnostic confirmation to be coded when the pathology report's final diagnosis is "plasma cell dyscrasia consistent with plasma cell myeloma" and the physician subsequently states this diagnosis was plasma cell myeloma? See Discussion.

Pathologists often use the diagnosis "plasma cell dyscrasia" followed by an ambiguous term such as "consistent with" or "favors" with a more specific histology such as "plasma cell myeloma." Per initial training for Hematopoietic, ambiguous terminology is not used to code the histology for Heme & Lymphoid Neoplasms. Should the histology be coded as plasma cell dyscrasia (which is not found in the Heme DB or Manual) because the pathology report uses ambiguous terminology to describe the plasma cell myeloma?

If the physician subsequently states the diagnosis is "plasma cell myeloma" in a note following the pathology, should the histology be coded as plasma cell myeloma based on that diagnosis as there was no ambiguous terminology used?

How is the diagnostic confirmation coded for this case? Should this be a positive histology diagnosis (diagnostic confirmation code 1) if the pathology diagnosis uses ambiguous terminology only?

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

The histology is coded as Plasma cell myeloma [9732/3]. The diagnostic confirmation is coded to 1 [positive histology].

Under the Definitive Diagnostic Methods section in the Heme DB it indicates that a bone marrow aspiration and bone marrow biopsy are procedures used to diagnose this disease process. This patient's diagnosis was based on the pathology (presumably from a bone marrow biopsy).

NOTE: This is a reportable case. Ambiguous terminology is used to accession cases (determine reportability) because it has been used for over 30 years to do so. Any deviation from using ambiguous terminology to determine case reportability would cause the reporting of incidence counts to vary. In this case, there was a reportable, ambiguous terminology diagnosis of plasma cell myeloma on the pathology report; as well as a reportable physician's statement/diagnosis of plasma cell myeloma.

Ambiguous terminology, however, is not used to report a more specific diagnosis for the Heme & Lymphoid neoplasms. For example, if the pathology report final diagnosis was "Myeloproliferative neoplasm, probably Polycythemia Vera" the histology would be coded as myeloproliferative neoplasm, unclassifiable [9975/3]. The ambiguous terminology indicates that the genetic testing, immunophenotyping, etc., probably are not complete or are not diagnostic of the more specific disease. Wait to code the histology until there is a definite diagnosis given.

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
20110060 Reportability--Heme & Lymphoid Neoplasms: In the absence of any additional information regarding the disease process, is a diagnosis of "polycythemia" reportable if a patient is treated with phlebotomy?

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

No. Polycythemia, NOS is not reportable.

Polycythemia (also known as polycythaemia or erythrocytosis) is a disease state in which the proportion of blood volume that is occupied by red blood cells increases. Blood volume proportions can be measured as hematocrit level. It can be due to an increase in the mass of red blood cells, "absolute polycythemia"; or to a decrease in the volume of plasma, "relative polycythemia".

The phlebotomy is a treatment for the excessive blood volume; therefore, a diagnosis of "polycythemia" without one of the modifying terms listed in the Heme DB under Alternative Names is not 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.

2011
20110122 Histology--Heme & Lymphoid Neoplasms: Is histology coded to AML, NOS [9861/3] for a bone marrow biopsy with a diagnosis of acute myeloid leukemia evolving from myelodysplastic syndrome (MDS) if the cytogenetics revealed trisomy 13? See Discussion. This patient actually had no prior diagnosis of MDS. The bone marrow biopsy revealed AML evolving from MDS. Cytogenetics revealed trisomy 13 with no other abnormalities. Does the presence of a trisomy 13 change the histology to a more specific subtype of AML?

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

This should be accessioned as a single primary per Rule M8 which states to abstract as a single primary and code the acute neoplasm when both a chronic (MDS) and an acute (AML) neoplasm are diagnosed simultaneously or within 21 days AND there is documentation of only one positive bone marrow biopsy, lymph node biopsy, or tissue biopsy. Code the histology to 9895/3 [acute myeloid leukemia with myelodysplasia-related changes].

NOTE: When you search with quotation marks around the phrase, the database will only return results with that exact wording. To only return results for the expression trisomy 13, enter in the Heme DB. In this case, a search for "trisomy 13" returns no results. Therefore, it does not impact the coding of histology for this case.

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
20110090 MP/H Rules/Histology/Behavior--Ovary: How are these fields coded for a 20 cm borderline mucinous tumor with a 0.3 cm minor focus of intraepithelial carcinoma of the ovary that the pathologist stages as T1a?

According to the MP/H rules, code histology to 8010/2 [intraepithelial carcinoma] for cases diagnosed 2007-2014. Borderline mucinous tumor is not reportable to SEER.

The steps used to arrive at this decision are:

Go to the Other Sites Histo rules found in the Multiple Primary and Histology Coding Rules Manual.

Start at the SINGLE TUMOR: IN SITU ONLY module, rule H1. Code the histology when only one histologic type is identified. The only reportable histology in this case is intraepithelial carcinoma [8010/2].

2011