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

Code the histology to 9823/3 [chronic lymphocytic leukemia/small lymphocytic lymphoma]. This primary was accessioned based on reportable ambiguous terminology. The surgical pathology report was compatible with B-cell small lymphocytic lymphoma/chronic lymphocytic leukemia, "compatible with" is a reportable ambiguous term. A neoplastic lymphoid infiltrate is not a reportable diagnosis. Therefore, a diagnosis compatible with CLL/SLL is coded as histology code 9823/3.

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.

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.

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

No. Per Appendix F, erythrocytosis of an unknown cause is not reportable.

The diagnosis must state "erythrocytosis megalosplenic" to be reportable (9950/3).

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.

This answer has been corrected. Previous answer is shown below under "History."

Assign 9591/3 for this case.

See also SINQ 20190070.

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

Per Appendix F, plasma cell neoplasm is not a synonym for multiple myeloma. Plasma cell neoplasm is a disorder that has an abnormal number of plasma cells. MGUS is such a disorder, but it is not reportable.

According to WHO, 'Plasma cell neoplasms' is the umbrella term that includes MGUS, plasma cell myeloma, solitary plasmacytoma of bone, immunoglobulin deposition diseases, extraosseous plasmacytoma, and osteosclerotic myeloma. Of these, only plasma cell myeloma, solitary plasmacytoma of bone, and extraosseous plasmacytoma are reportable.

Note: This terminology was added to the 2012 Hematopoietic Manual and Database for 1/1/2012. This should not have been added. If the only diagnosis is "plasma cell neoplasm," this is not reportable. If the diagnosis is "plasma cell neoplasm c/w multiple myeloma (or another reportable disease)," then it would be a reportable 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.

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: follicular lymphoma [9690/3] diagnosed 02/17/2012 and diffuse large B-cell lymphoma [9680/3] diagnosed 10/16/2012 per Rule M10. This patient was diagnosed with a chronic neoplasm (follicular lymphoma) followed greater than 21 days later by an acute neoplasm (DLBCL).

The follicular lymphoma was initially diagnosed on 02/17/2012. The cervical node biopsies were "highly suspicious for B-cell lymphoma" [9591/3]. While "suspicious" is a reportable ambiguous term used to accession cases, suspicious cytologies are not SEER reportable and, therefore, the diagnosis date cannot be 01/27/2012. The histology of the first primary would be updated to 9690/3 [follicular lymphoma] based on the Medical Oncology note on 04/18/2012 that confirmed the histology was follicular lymphoma and the patient was being treated for such.

The diagnosis of DLBCL was made 8 months later. Rule M4 cannot apply to this case because the follicular lymphoma and DLBCL were not diagnosed simultaneously. Rule M4 only applies when the two non-Hodgkin lymphomas are diagnosed simultaneously AND in the same location.

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.

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.

Code the histology to 8140/2 [adenocarcinoma in situ, NOS].

The comment for this case is consistent with information from the CAP protocol, which says, "The diagnosis of bronchioloalveolar carcinoma requires exclusion of stromal, vascular, and pleural invasiona requirement that demands the tumor be evaluated histologically in its entirety. It is therefore recommended that a definitive diagnosis of bronchioloalveolar adenocarcinoma not be made on specimens in which the tumor is incompletely represented."

This tumor was not completely resected. Therefore, code to adenocarcinoma in situ based on the information provided.

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

Per Rule M10, this case should be accessioned as two primaries. According to Rule M10, one is to abstract as multiple primaries when a neoplasm is originally diagnosed as a chronic neoplasm AND there is a second diagnosis of an acute neoplasm more than 21 days after the chronic diagnosis.

The histology for the 1996 chronic neoplasm is coded to 9670/3 [small lymphocytic lymphoma]. The histology for the 2012 acute neoplasm is 9680/3 [diffuse large B-cell lymphoma].

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.

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, myelodysplastic syndrome (MDS) [9989/3] diagnosed 10/2/10 and chronic myelomonocytic leukemia (CMML-2) [9945/3] diagnosed 6/19/12 per Rule M15. Per Rule M15, use the Multiple Primaries Calculator when rules M1-M14 do not apply.

When myelodysplastic syndrome (MDS) became reportable, the rules in effect at that time resulted in MDS often being the only diagnosis reported when both MDS and a leukemia were diagnosed. Statistics for some leukemias were impacted. Now we report both the MDS and the leukemia for greater accuracy.

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.