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Report Produced: 02/24/2026 11:44 AM

Report Question ID Question Discussion Answer Year
20031043 EOD-Extension--Corpus Uteri: How is this field coded for a stage III A endometrial primary with positive pelvic washings, involvement of the omental serosa, and negative lymph nodes? For cases diagnosed 1998-2003: Code EOD-extension as 85 [Metastasis]. According to our TNM consultant, Omental metastasis is M1, Stage IVB [EOD 85]. 2003
20100064

Histology--Heme & Lymphoid Neoplasms: How is histology to be coded for acute lymphoblastic leukemia (ALL) and/or precursor B acute lymphoblastic leukemia (Pre-B ALL) for cases diagnosed 2010 and later? The Heme Database has two histology codes for this disease, both 9811/3 and 9836/3, which is the correct histology code?

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

Code histology to 9811/3 [B lymphoblastic leukemia/lymphoma, NOS].

See the Abstractor Notes section in the Heme DB, when determining how to code histology for a case. It indicates the code 9811/3 is effective for cases diagnosed 2010 and forward. The 9836/3 is listed as obsolete and refers you to code 9811/3. Make sure to check for a specific subtype of B lymphoblastic leukemia/lymphoma [9812/3 - 9818/3] before assigning the NOS code [9811/3].

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.

2010
20140017

Multiple Primaries--Heme & Lymphoid Neoplasms: 2012 path report for removal of an "axillary mass" which consists of 80% diffuse large B-cell lymphoma (DLBCL) and 20% follicular lymphoma. In the original manual, Module 6 instructed us to code as a single primary, DLBCL. However, the multiple primary calculator says each disease is a separate primary. When I looked them up in the data base, I did not get an option to review a current manual. Can you please advise?

Code as a single primary with histology Diffuse Large B-Cell Lymphoma.

In this case, there are two NHLs in the same location at the same time. Apply Rule M4, this is one primary. Per Note 5 under Rule M4, go to Rules PH11and PH15 to assign primary site and histology.

Rule PH11 states to code to the site of the origin (axillary mass) and to diffuse large b-cell lymphoma (9680/3) when DLBCL and any other non-Hodgkin lymphoma (follicular in this case) are present in the same location at the same time.

Using the multiple primaries calculator in this situation will give you two primaries, which is the wrong answer. Use the rules before using the calculator.

To get to the manual, go to the "Help me code for dx year." section. Choose 2010 or later and the most current manual will appear. We recommend that you save a copy of the PDF on your computer.

2014
20000262 EOD-Clinical Extension/EOD-Lymph Nodes--Prostate: How do you code clinical extension and lymph nodes for path only prostate cases treated with a TURP? Would clinical extension be coded to unknown or localized, NOS? For cases diagnosed 1998-2003: Code the EOD-Clinical Extension field to 30 [localized, NOS] and the EOD-Lymph Nodes field to 0 [no lymph node involvement]. Per Note 7: Use code 30 when there is insufficient information as to whether the tumor is clinically apparent or inapparent but the tumor is confined to the prostate. This is an example of a case where there is insufficient information as to whether the tumor is clinically apparent or inapparent. Assume the tumor is confined to the prostate. 2000
20071016 MP/H Rules/Multiple Primaries--Bladder: The new multiple primary rule M7 states that tumors diagnosed more than three years apart are multiple primaries. Does this apply to in situ bladder tumors that occur more than three years apart and to an in situ tumor that occurs three years after an invasive tumor?

For cases diagnosed 2007 or later, use the MP/H rules in order. Rule M6 comes before rule M7.

M6 states that bladder tumors with certain histologies are a single primary. It is a single primary regardless of timing if there is any combination of:

  • papillary carcinoma [8050]

  • transitional cell carcinoma [8120-8124]

  • papillary transitional cell carcinoma [8130-8131]

    • Rule M7 applies to bladder tumors with histologies other than those listed above. If you have such a case, rule M7 applies to in-situ tumors and to an in situ three years after an invasive.

    		 2007
    		20150023

    MP/H Rules/Histology--Thyroid: When is 8341/3, papillary microcarcinoma coded? The code description in ICD-O-3 is followed by (C739), yet there are two SINQ answers that tell us specifically to not use this code for thyroid primaries. Even the first revision of ICD-O-3 still carries the (C739) as part of this code, which goes against SINQ 20110027 and 20081127.

    Per the WHO Tumors of Endocrine Organs, for thyroid primaries/cancer only, the term micropapillary does not refer to a specific histologic type. It means that the papillary portion of the tumor is minimal or occult (1cm or less in diameter) and was found incidentally. WHO does not recognize the code 8341 and classifies papillary microcarcinoma of the thyroid as a variant of papillary thyroid and thereby should be coded to 8260. If the primary is thyroid and the pathology states papillary microcarcinoma or micropapillary carcinoma, code 8260 is correct. This information will be included in the upcoming revisions to the MP/H manual.                        

    		2015
    		20130125 Reportability--Heme & Lymphoid Neoplasms: Is self-healing Langerhans cell histiocytosis (LCH) of the skin reportable?

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

    This is a reportable primary. Langerhans cell histiocytosis (LCH) [9751/3] is a reportable neoplasm.

    The term "self-healing" means that the neoplasm regressed without treatment. This is a known phenomenon.

    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
    		20170081

    Grade/Neuroblastoma: What grade is to be used when pathology states only differentiating retroperitoneal neuroblastoma?

    For cases diagnosed prior to 2018

    Assign grade code 2 for "differentiating" retroperitoneal neuroblastoma. The rationale of our expert pathologist advisor is that "it leaves the grade 1 category open (since a "well differentiated neuroblastoma" is actually called ganglioneuroblastoma), and it also avoids putting "differentiating" into what is usually a well differentiated category."

    Additionally, assign grade code 3 to a poorly differentiated retroperitoneal neuroblastoma and grade code 4 to an undifferentiated retroperitoneal neuroblastoma.

    For cases diagnosed 2018 and later

    Follow the instructions for coding grade in SEER*RSA

    		 2017
    		20041084

    Multiple Primaries (Pre-2007)--Vulva/Vagina: In 2004 if multiple biopsies reveal VAIN III of the vaginal wall, and VIN III of the left fourchette and the right labia minora is this one primary per the SEER Site Grouping Table on page 9 of the 2004 SEER Manual because vulva and vagina are supposed to be abstracted as a single site?

    For tumors diagnosed prior to 2007:

    Abstract the case above as one primary according to multiple primary rule 3a. Code the primary site to C579 [Female genital, NOS] according to the table on page 9 of the 2004 SEER Manual.

    Multiple tumors of the same site and same histology diagnosed at the same time are abstracted as one primary. Multiple independent tumors of the vulva and vagina are abstracted as a single site when diagnosed simultaneously. VAIN III and VIN III have the same histology code [8077].

    For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.

    		 2004
    		20130067 Histology--Heme & Lymphoid Neoplasms: How is histology coded for a pathology report final diagnosis of diffuse large B-cell lymphoma (50%) and follicular lymphoma, 3A (50%)?

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

    Code the histology to diffuse large B-cell lymphoma [9680/3] per Rule PH11.

    Code the histology to 9680/3 [diffuse large B-cell lymphoma] when DLBCL and any other non-Hodgkin lymphoma (follicular lymphoma, grade 3 in this case) are present in the same anatomic location. DLBCL is coded because it is the more aggressive histology.

    NOTE: This answer assumes these two histologies are present simultaneously in the same anatomic location. Per Rule M4, this is a single primary.

    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