Report | Question ID | Question | Discussion | Answer | Year |
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20240059 | Update to the Current Manual/SEER*RSA--SEER Site-specific Factor 1: The 2024 SEER Manual and SEER*RSA say that Codes 10-51 are hierarchical; use the highest code that applies (10 is highest, 51 is lowest). Should the guidance say that 51 is highest, 10 is lowest since code 10 is a HPV negative p16 test? |
Assign the highest code with 51 as the highest and 10 the lowest when there is more than one test performed with differing results. The SEER Manual will be updated in the 2025 release. SEER*RSA will be updated in a future release, version 3.3 in 2026, as version 3.2 has been updated for 2025. |
2024 | |
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20240064 | Primary Site/Histology--Ovary: We are encountering a primary site, histologic type, and behavior combination edit based on the Cancer PathCHART (CPC) tables. Using the CPC*Search tool, C569 and 8441/3 is a valid combination. The diagnosis date is 01/13/2024. Should an over-ride be applied with this combination? |
The CPC Validity Status of the site morphology combinations of C569/8441/3 and C569/8441/2 was revised from Valid to Unlikely with the latest release of the Version v24A Edits Metafile. As a result, this site and morphology combination will now require an over-ride flag to be set. Code as 8461/3 (high-grade serous carcinoma) or 8460/3 (low-grade serous carcinoma) if at all possible. Use 8441/3 (serous carcinoma, NOS) only if it cannot be distinguished as low grade or high grade. The codes for high-grade serous carcinoma and low-grade serous carcinoma are relatively new. High-grade serous carcinoma and low-grade serous carcinoma are very different tumors and pathologists should state whether it is high grade or low grade. Please make every attempt to use the newer codes. If unable to determine high gade versus low grade, assign 8441/3 and override the edit. The files on the CPC website are currently being updated, and CPC*Search will be updated to reflect the changes sometime this Fall. |
2024 | |
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20240038 | Solid Tumor Rules/Multiple Primaries--Brain and CNS: How many primaries are accessioned, and what M Rule applies to a 2023 diagnosis of pituitary macroadenoma followed by a 2024 diagnosis of pituitary neuroendocrine tumor (PitNET) when the patient did not undergo surgery, but did undergo hormone therapy with Cabergoline? See Discussion. |
Malignant Central Nervous System (CNS) Rule M5 instructs us to abstract a single primary (as malignant) when a single tumor is originally diagnosed as non-malignant, the “First course treatment was active surveillance (no tumor resection),” and the subsequent resection pathology is malignant. This patient’s first course of treatment was not active surveillance. While the patient did not have first course tumor resection, the tumor was treated with Cabergoline. Should Rule M5 apply because there was no tumor resection? If so, should Rule M5 clearly state no tumor resection is the criteria (not active surveillance)? SINQ 20230023 does indicate a PitNET diagnosis following a diagnosis of pituitary adenoma does not fall into standard rules, but in the previous SINQ the first course treatment was a partial resection. It is unclear whether other types of treatment could result in a new malignant PitNET, following a previously treated non-malignant pituitary tumor. |
Abstract a single primary as 8272/3 (pituitary adenoma/PitNET) using the Malignant CNS and Peripheral Nerves Solid Tumor Rules, Rule M2, a single tumor is always a single tumor. Change the histology of the 2023 diagnosis to 8272/3. This scenario does not meet the criteria in the current rules for M5 in that it requires a resection as part of the criteria. Since the patient did not undergo resection for either diagnosis, the 2024 diagnosis may indicate recurrence or progression. A diagnosis of pituitary adenoma only is still coded 8272/0 (this code is still valid). A diagnosis of pituitary adenoma/PitNET, PitNET, or pituitary neuroendorine tumor is coded 8272/3. Cabergoline is used to treat prolactinoma or high levels of prolactin but does not impact the PitNET. |
2024 |
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20240011 | Solid Tumor Rules/Histology--Other Sites: Other Sites Table 2 (Mixed and Combination Codes) requires site designations; can sites be added? See Discussion. |
There are multiple possible entries (rows) for a tumor with a neuroendocrine component and non-neuroendocrine component, but these rows do not specify which primary sites are applicable. Row 1 (Combined small cell carcinoma, 8045) seems applicable to a prostate primary, but not to a GI primary since GI primaries are now generally referred to as MiNENs (mixed neuroendocrine non-neuroendocrine tumors), but Table 2 does not provide any instructions regarding how to determine the difference between 8045 and 8154 (or 8244). For SEER Workshop Case 03 (mixed prostate case), many users selected 8154 or 8244 as the mixed histology code per Table 2, but these histology codes are not listed as applicable in Table 3 (Prostate Histologies). Per the WHO Blue Books, these histologies are not listed as applicable to the prostate. How are registrars to determine the correct mixed code without site designations, especially if they don't have access to the WHO Blue Book or to a pathologist who may be able to clarify the codes? |
Sites may be added to certain combinations when indicated by ClinCORE review for Cancer PathCHART. Please note some sites were added in the 2024 update as a result of PathCHART review. A newly-formed Solid Tumor Editorial Board and its subgroups are currently working to evaluate the Solid Tumor Manual and make recommendations on ways to improve the structure and formatting of the manual and its content. Follow the rules and instructions in the Other Sites STRs when assigning combination histology codes. Histology Coding Rules Use the Histology Coding Rules when assigning combination codes. Coding Histology Information Use this section that includes the mixed histology (Table 2) and site-specific histology tables (Tables 3-23) for one or more histologies within a single tumor. Do not use this section in place of the Histology Coding Rules. While site-specific histology tables, based on current WHO Classification of Tumors books, have been added to Other Sites STRs, not all site groups have individual histology tables; coding may require the use of ICD-O and updates. The histology tables in Other Sites STRs include additional coding instructions and notes to assign the correct ICD-O code when appropriate. The tables are not meant to be all-inclusive; rather they are intended to address difficult coding situations to facilitate the assignment of the correct histology code. Table 2: Mixed and Combination Codes Instructions Once you have identified the histology terms and have been instructed to use Table 2 by the Histology Coding Rules, compare the terms in the diagnosis to the terms in Column 1. When the terms match, use the combination code listed in Column 2. Use adenocarcinoma mixed subtypes 8255 as a “last resort” code. |
2024 |
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20240036 | Update to Current Manual/Race: How is Race coded when stated as Hispanic and there is no other information? See Discussion. |
There appears to be discrepant information in the 2024 (and prior) SEER manual regarding race coding when the patient is described only as Hispanic/Latina. Page 78 tells us to Code as 01 (White) when: b. There is a statement that the patient is Hispanic or Latino(a) and no further information is available
However, in Appendix D, under "Other Race descriptions", there is a statement that "If no further information is available, code as 99 Unknown." The list includes "Hispanic." |
Assign code 01 (White) for Hispanic when there is no additional information. It is listed in the 2024 SEER Manual, Race Coding Instruction 6.b.i. and in Appendix D for code 01. We will remove Hispanic from the list in Appendix D under code 99 in the next version of the manual. |
2024 |
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20240078 | Reportability/Histology--Lung: Are adenocarcinoma spectrum lesions on lung imaging reportable when no further information is available? See Discussion. |
For example, a chest computed tomography showed multiple subsolid and ground glass pulmonary nodules measuring up to 6 mm; findings favored to reflect adenocarcinoma spectrum lesions. A literature search seems to indicate that adenocarcinoma spectrum lesions include atypical adenomatous hyperplasia through invasive adenocarcinomas. |
Do not report this case of "adenocarcinoma spectrum lesions" based on the information provided in the absence of a more specific diagnosis. Do not report until/unless a definitive diagnosis of malignancy is made. "Adenocarcinoma spectrum lesion" covers a continuum of lung neoplasms from preinvasive lesions (atypical adenomatous hyperplasia and adenocarcinoma in situ) to invasive lesions (minimally invasive adenocarcinoma and invasive adenocarcinoma). Should additional information become available, report the case and assign the histology code if a more specific histology is confirmed later. Use text fields to record the details.
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2024 |
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20240079 | Reportability/Histology--Conjunctiva: Is low-grade conjunctival melanocytic intraepithelial lesion (LG-CMIL) with focal high-grade features of the conjunctiva (C690) reportable? If reportable, what histology should be assigned? |
Additional comments in this pathology report state "The entire case was sent in consultation to an ophthalmic pathologist. [Pathologist] assigns a conjunctival melanocytic intraepithelial neoplasia (C-MIN) score of 2-3 due to the upward pagetoid migration of small, dendritic melanocytes. A C-MIN score of 2-3 is between low-grade conjunctival melanocytic intraepithelial lesion (LG-CMIL; C-MIN 2) and high-grade conjunctival intraepithelial lesion (HG-CMIL; C-MIN 3). The older terminology for this lesion would be primary acquired melanosis (PAM) with mild to focally moderate atypia." This term does not appear in the SEER Program Coding and Staging Manual (SPCSM), Appendix E1 of the SPCSM, or Solid Tumor Rules (specifically rule H3) . |
Conjunctival melanocytic intraepithelial neoplasia (C-MIN) is reportable; therefore, low-grade conjunctival melanocytic intraepithelial lesion (LG-CMIL) with focal high-grade features of the conjunctiva (C690) is reportable, 8720/2. We will add this to a future edition of the SEER manual. |
2024 |
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20240047 | Reportability/Histology--Endometrium: Is “high grade serous intraepithelial neoplasm” of the endometrium reportable? See Discussion. |
The patient had a 2023 endometrial polypectomy and curettage with final diagnosis of “at least serous intraepithelial neoplasia arising in association with an endometrial polyp.” Diagnosis comment states, “There are multiple tissue fragments with highly atypical glandular lining consistent with a high-grade serous neoplasm. There are focal areas which are suspicious, but not conclusive, for stromal invasion.” Subsequent hysterectomy and BSO showed no residual carcinoma. According to previous SINQ 20210043, serous tubal intraepithelial neoplasm (STIN) is reportable when stated to be high grade. Does the same logic apply to a similar neoplasm in the endometrium and/or endometrial polyp? |
Report high grade serous intraepithelial neoplasm of the endometrium. |
2024 |
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20240012 | Solid Tumor Rules/Histology--Other Sites: Should an additional Note be added to Other Sites Solid Tumor Rules, Rule H12, to indicate that if the diagnosis is an NOS histology in a polyp, continue on through the rules or should Other Sites Rule H13 be moved ahead of Rule H12 to capture this specific histology? See Discussion. |
The accuracy rate for SEER Workshop Case 04 (a duodenal invasive adenocarcinoma in an adenomatous polyp) was very low because Rule H13 was either being ignored or users were stopping at Rule H12 to code adenocarcinoma. If the presence of an NOS histology in a polyp is still clinically relevant for the Other Sites module, this information will be missed due to the order of the H Rules, or the lack of clarification in Rule H12. If a change is made to Rule H12 (Single Tumor: Invasive Only module), then changes must also be made to the Single Tumor: In Situ Only module and the Multiple Tumors Abstracted as a Single Primary module because both these modules include the same polyp coding H Rule. |
The rule order is the same as in the previous MP/H rules. Will keep as is for now. Assign codes adenocarcinoma in adenomatous polyp (8210), adenocarcinoma in villous adenoma (8261), and (adenocarcinoma in tubulovillous adenocarcinoma (8263) using Other Sites Solid Tumor Rule H12 or Rule H27 as these are specific invasive histology codes. Rule H13 applies to histology codes associated with polyps but associated with a histology term/code other than adenocarcinoma. |
2024 |
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20240025 | Update to the current manual/Reportability--Esophagus: Is high grade dysplasia of the esophagus reportable? The 2024 Seer Program Manual, page 21, has an example that states it is not reportable. See Discussion. |
Example 4: Esophageal biopsy with diagnosis of “focal areas suspicious for adenocarcinoma in situ.” Diagnosis on partial esophagectomy specimen “with foci of high grade dysplasia; no invasive carcinoma identified.” Do not accession the case. The esophagectomy proved that the suspicious biopsy result was false. Appendix E2 #32 of the SEER Manual states high grade dysplasia in site other than stomach, small intestines, and esophageal primary sites are not reportable. Does this mean high grade dysplasia is reportable for esophagus primaries? |
High grade dysplasia of the esophagus is reportable. The example will be corrected in the next edition of the SEER manual. |
2024 |