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Report Produced: 02/26/2026 17:41 PM

Report Question ID Question Discussion Answer Year
20031172 Hormone Therapy--Breast: Should hormonal therapy be coded as administered, when the physician states "Tamioxifen was given as a prescription?" Yes, based on the prescription for Tamoxifen, code Hormone Therapy as administered. 2003
20190086

EOD 2018/EOD Primary Tumor--Melanoma: The code and level translations in the Note 4 of Extent of Disease (EOD) Primary Tumor for Melanoma Skin seem incorrect. Please advise.

* Code 000: In situ

* Code 100: Level I (should be level II) (< 0.75 mm Breslow's Depth)

* Code 200: Level II (should be level III) (0.76 mm to 1.50 mm Breslow's Depth)

* Code 300: Level III (should be level IV) (> 1.50 mm Breslow's Depth)

Please see the corrected levels below for the note. Note 4: If a Breslow's depth is given in the pathology report and there is no other indication of involvement, the following guidelines may be used (Note: If a physician documents a different Clark's Level than provided by these guidelines, go with the physician's Clark Level)

Code 000: Level I (In situ)

Code 100: Level II (< 0.75 mm Breslow's Depth)

Code 200: Level III (0.76 mm to 1.50 mm Breslow's Depth)

Code 300: Level IV (> 1.50 mm Breslow's Depth)

Thank you for bringing this to our attention.

 2019
20180029

Reportability--Skin: Is early/evolving lentigo maligna reportable?

As of 01/01/2021, early or evolving melanoma in situ, or any other early or evolving melanoma, is reportable.

 2018
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
20130184

Reportability--Appendix: Are low-grade appendiceal mucinous neoplasms reportable?

For cases diagnosed prior to 1/1/2022

A low-grade appendiceal mucinous neoplasm (LAMN) is not reportable. The WHO classification designates LAMN with the behavior code /1 [uncertain whether benign or malignant].

 2013
20000495 EOD Fields--All Sites: Is EOD information limited to what is available exactly two months from the day of diagnosis?

For cases diagnosed 1998-2003:

EOD should include all information available within four months of diagnosis in the absence of disease progression or through completion of surgery(ies) in first course of treatment, whichever is longer.

Mets known to have developed after EOD was established should be excluded.

 2000
20250029

EOD 2018/EOD Regional Nodes--Oropharynx: Is code 550 missing “< equal to 6 cm” in the data item EOD Regional Nodes for Oropharynx HPV-Associated, Version 9? Otherwise, bilateral or contralateral lymph nodes with extranodal extension (ENE) that are >6 cm could fit into 550 OR 650.

Code 550 is missing “< equal to 6 cm.” In addition, code 650 should include ipsilateral lymph nodes as well.

Revised codes:

Code 550

CLINICAL ASSESSMENT only

Bilateral or contralateral lymph nodes, < equal to 6 cm WITH clinical evidence of ENE

Code 650

CLINICAL ASSESSMENT only

Ipsilateral, Bilateral or Contralateral lymph nodes > 6 cm WITH or WITHOUT clinical evidence of ENE

These changes will be implemented in Version 3.4 (October 2026). We apologize for the error.

 2025
20081036 MP/H Rules--Breast: Is inflammatory breast cancer always one primary per lifetime? Or is a subsequent inflammatory breast cancer a second primary if diagnosed more than five years later? For cases diagnosed 2007 or later, a diagnosis of inflammatory breast cancer more than five years after a previous diagnosis of inflammatory breast cancer is a separate (new) primary. See rule M5 in the Breast Multiple Primary Rules. 2008
20051100 Reportability--Hematopoietic, NOS: Is a "myeloproliferative disorder" reportable when the pathology report comment states this likely represents the "early/cellular phase of myelofibrosis/myeloid metaplasia" with cytogenetics and PCR pending?

For cases diagnosed prior to 1/1/2010:This case is not yet reportable. The bone marrow diagnosis "myeloproliferative disorder" is not reportable to SEER. It is likely that if this condition progresses, it will eventually be reportable.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

 2005
20170025

MP/H Rules/Multiple primaries--Breast: Is this the same primary per MP/H Rule M10? Ductal carcinoma of the left breast in 2013, treated with a lumpectomy. New tumor with ductal and lobular carcinoma in the same breast in 2016.

The 2016 diagnosis is the same primary. MP/H Rule M10 for breast cancer applies. Do not change the original histology code. Use text fields to document the later histologic type -- duct and lobular.

 2017