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20240063 | Solid Tumor Rules/Multiple Primaries--Bladder: How many primaries and what M Rule applies for a diagnosis of noninvasive micropapillary urothelial carcinoma (8131/2) in 2019, followed by a diagnosis of noninvasive papillary urothelial carcinoma (8130/2) in 2024? |
Abstract two primaries using Urinary Solid Tumor Rules, Rule M12. The histologies include non-invasive papillary urothelial carcinoma (8130/2) and non-invasive micropapillary urothelial carcinoma (8131/3). The two histology codes are listed as subtypes of Papillary urothelial (transitional cell) carcinoma in column 3 of Table 2. WHO Classification of Urinary and Male Genital Tumors, 5th edition classifies micropapillary urothelial carcinoma as an aggressive subtype of urothelial carcinoma with carcinoma in situ present in more than half of all micropapillary carcinomas. Rule 7 Note 3 of the Urinary Solid Tumor Rules states that there are no /2 subtypes for urothelial carcinoma with the exception of papillary urothelial carcinoma and applies to multiple occurrences of /2 urothelial carcinoma of the bladder. Rule 8 applies to 8131/3 and 8120/3. |
2024 | |
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20240044 | First Course Treatment/Neoadjuvant Therapy--Esophagus: Should the Neoadjuvant Therapy data item be coded as 1 or 2 when the patient completes all but one cycle of the planned neoadjuvant therapy and the managing physician notes the patient completed the neoadjuvant therapy? See Discussion. |
The patient had neoadjuvant chemotherapy (Carboplatin and Paclitaxel) concurrent with radiation per the managing physician. The physician stated the patient completed the neoadjuvant therapy; however, it was also noted that patient completed five cycles of chemotherapy, but the sixth cycle was held due to neutropenia. The SEER Manual does not address how to code Neoadjuvant Therapy when the patient completed almost all the planned neoadjuvant therapy. It seems inappropriate to code Neoadjuvant Therapy as 2 (Started but not completed) simply because the patient did not have one cycle of chemotherapy but is otherwise felt to have completed neoadjuvant therapy per the managing physician. Does the managing physician’s statement of “completion” impact how this scenario is coded? |
Assign code 2, Neoadjuvant therapy started, but not completed OR unknown if completed, for the 2024 SEER Manual data item Neoadjuvant Therapy. Assign code 2 when neoadjuvant therapy was begun and the patient did not complete the full course of neoadjuvant therapy. See Coding Instruction #3 on page 230. The fact that the patient completed five cycles of the planned chemotherapy, but the sixth cycle was held due to neutropenia is important information and should be abstracted correctly and documented via text data items. |
2024 |
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20240008 | Solid Tumor Rules/Histology--Brain and CNS: Should the term “diffuse” be added to Note 2 in the Non-Malignant Central Nervous System (CNS) Solid Tumor Rules, Table 6: Specific Histologies, NOS, and Subtypes/Variants, for the papillary glioneuronal tumor 9509/1? See Discussion. |
Should Note 2 state, "Beginning with cases diagnosed 1/1/2023 forward, diffuse leptomeningeal glioneuronal tumor is coded 9509/3? See the Malignant CNS rules." Currently the Note only states, "leptomeningeal glioneuronal tumor," but the histology that changed behavior is listed in both Table 6, Column 1 (Non-Malignant CNS) and Table 3 (Malignant CNS) as, "Diffuse leptomeningeal glioneuronal tumor." |
The correct term is diffuse leptomeningeal glioneuronal tumor listed as a synonym in Column 2. We will add the term diffuse in Note 2, Column 1 with the 2025 updates. In the meantime, you can add "diffuse" to your pdf version until the update is published. |
2024 |
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20240018 | Solid Tumor Rules/Histology--Head and Neck, Other Sites: Please provide clarification about effective dates for using p16 testing to assign HPV-related histology codes for various primary sites. See Discussion. |
1. The 2022 and 2023 SEER Program Coding Manuals state under Histologic Type ICD-O-3: Beginning with cases diagnosed 01/01/2022 forward, p16 test results can be used to code squamous cell carcinoma, human papilloma virus (HPV) positive (8085) and squamous cell carcinoma, HPV negative (8086). NAACCR 2023 Implementation Guidelines contain similar instructions on HPV histologies for cervix, vulva and vagina that are applicable back to 2022 (2021 for cervix). The current Other Sites Solid Tumor Rules state on the Histology tables for anus, cervix, vagina, vulva, and penis and scrotum: "p16 is a valid test to determine HPV status and can be used to code HPV associated and HPV independent histologies." Since Other Sites Solid Tumor Rules apply to cases diagnosed 2023+, can p16 results only be used from 2023 onward, to code HPV-related histologies for primaries that fall under the Other Sites module? Or per the 2022 SEER Manual statement and NAACCR 2023 Implementation Guidelines, could a p16-confirmed HPV histology code also apply to a 2022 Other Sites case and if so, is that only for cervix, vulva, and vagina? Further complicating the matter are the 2024 ICD-O-3.2 update documents indicating these codes are valid 1/1/2024+ for the “Other Sites” penis and scrotum. 2. Is using p16 testing for HPV-related histology codes ONLY allowed for sites in the Solid Tumor tables that contain the statements about p16 (Head & Neck Table 5, and the Other Sites tables noted above for anus, cervix, etc.)? Or could it apply to primary sites outside of those tables; for example, a 2022 pathology report from the ethmoid sinus C311 indicating an HPV-related histology based on p16 testing? The ICD-O-3 Annotated Histology lists include C310-C313 among the common site codes for 8085 and 8086. The Head and Neck Solid Tumor Rules “New for 2022” section and rule H1 Note 4 also mention that p16 can be used to code HPV histologies; these sections would seem to apply to all sites in that module, since only the more common histology codes are listed in the tables and if not, we are instructed to use ICD-O. |
Per 2024 Cancer PathCHART expert pathologist review, morphology codes 8085/3 and/or 8086/3 are valid and applicable to head and neck, oropharynx, cervix, vagina, vulva, fallopian tube, anus, and penis scrotum (reference: Cancer PathCHART: Product Downloads and Timelines). The Cancer PathCHART SMVL will be updated for C632, Scrotum, with the next release of the NAACCR Edits Metafile, currently scheduled for May 2024. Assign histology codes 8085 and 8086 for the sites listed in the Solid Tumor Rules histology tables. The codes 8085 and 8086 are applicable for a small group of sites according to the year they became valid for implementation as follows. Head and Neck Oropharynx, Base of Tongue, Tonsils, Adenoids (2022+) Other Sites Cervix (2021+) Anus (2023+) Vagina (2023+) Vulva (2023+) Penis (2024+) Scrotum (2024+) While ICD-O-3.2 and Cancer PathCHART list additional sites such as Accessory Sinuses, they have not yet been implemented in the U.S. |
2024 |
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20240068 | Solid Tumor Rules/Histology--Ovary: How is histology coded for an ovary case with a diagnosis of “high grade papillary serous carcinoma” in 2023? This term is not in the Solid Tumor Rules and ICD-O 3.2 updates. Is “high grade papillary serous carcinoma” equivalent to “high grade serous carcinoma” (8461) or to “papillary serous adenocarcinoma” (8441) with high grade captured only in the Grade fields, or is there another more appropriate code? |
Assign code 8461/3 for high-grade papillary serous carcinoma. |
2024 | |
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20240023 | Solid Tumor Rules/Histology--Penis: Why is warty carcinoma listed in Other Sites, Table 23 (Penis and Scrotum Histologies) as 8051 when the ICD-O-3.2 and SINQ 20200003 indicate the correct histology is 8054 for this neoplasm? See Discussion. |
The ICD-O-3.2 indicates histology 8051 only applies to diagnoses of condylomatous carcinoma and warty carcinoma made prior to 2018. For penis cases diagnosed 2018 and later, these neoplasms should be coded as 8054. This is consistent with SINQ 20200003. However, a new Table was added to the Other Sites schema in the 2024 Solid Tumor Rules update. Table 23 lists “Verrucous carcinoma / carcinoma cuniculatum / Warty carcinoma” as histology 8051. While verrucous carcinoma is still listed under histology 8051 in the ICD-O-3.2, warty carcinoma is not. Does Table 23 need to be updated? Or is this an error in both the ICD-O-3.2 and SINQ 20200003? |
Assign histology code 8054/3 for warty carcinoma. Assign 8051/3 for verrucous carcinoma and carcinoma cuniulatum. The WHO Classification of Urinary and Male Genital Tumors, 5th edition (2022) revised the terminology for squamous cell carcinoma groupings from "non-HPV-related" to "HPV-independent" and from "HPV-related to "HPV-associated". Warty carcinoma is defined as a "morphologically distinct HPV-associated verruciform neoplasm that shares histological features with a giant condyloma but has definitive cytological atypia and a malignant infiltrative architecture." Verrucous carcinoma (including carcinoma cuniculatum) is defined as an HPV-independent squamous cell carcinoma, and is correctly coded to 8051/3. The 2024 Solid Tumor Rules, Table 23, Penis and Scrotum Histologies will be updated to reflect this revised terminology and coding. |
2024 |
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20240045 | Reportability/Ambiguous Terminology--Prostate: Should cases be reported and abstracted based on ambiguous terminology, e.g., suspicious for prostate cancer, when the physician is not treating the case as malignant? See Discussion. |
Please comment on these specific scenarios.
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For each of your scenarios, the medical record information indicates that the case is not reportable based on physician opinion. Do not abstract these cases. Remember that the ambiguous terms list is to be used as a last resort. The ideal way to approach abstracting situations when the medical record is not clear is to follow up with the physician. If the physician is not available, the medical record, and any other pertinent reports (e.g., pathology, etc.) should be read closely for the required information. See page 19 in the SEER Manual, https://seer.cancer.gov/manuals/2024/SPCSM_2024_MainDoc.pdf |
2024 |
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20240033 | Solid Tumor Rules/Multiple Primaries--Stomach: Is a carcinoid tumor of the stomach diagnosed on 01/01/2023, on a patient who was followed up by Gastrointestinal (GI) and was found to have another stomach carcinoid on 02/01/2024, one primary or two? See Discussion. |
Based on the Solid Tumor Rules, we would make this two since it is over one year. According to a previous SINQ question 20110046, we are to code this as one primary. We see patients come back with multiple carcinoid tumors over the years and would like clarification. |
Stop at the first rule that applies which is M12. Per note 3: When it is unknown/not documented whether the patient had a recurrence, use date of diagnosis to compute the time interval. This means there are two primaries. There is a genetic syndrome that causes multiple carcinoid tumors in the GI tract, per our GI expert, and they should be treated as new primaries per M12. SINQ 20110046 describes a unique situation whereby the subject matter expert felt that the occurrence of multiple tumors was due to an unknown underlying condition driving the proliferation of neuroendocrine cells. |
2024 |
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20240053 | Reportability/Behavior--Kidney: Is a 2022 diagnosis of “clear cell renal cell papillary tumor” on nephrectomy reportable? See Discussion. |
We are aware that the WHO 4th edition for urinary tumors has changed the behavior of “clear cell papillary renal cell carcinoma” to /1 but registries are to continue collecting as /3. While the diagnosis in our case is stated as “tumor” it does seem like the pathologist may be using the new WHO terminology of “tumor” rather than “carcinoma,” so we are not sure if behavior is /3 or /1. |
Report clear cell renal cell papillary tumor (CCRCPT), formerly classified as clear cell renal cell papillary carcinoma, and assign code 8323/3 until this new term and code (8323/1) have been adopted by standard setters. The Kidney Solid Tumor Rules advise to code clear cell papillary renal cell carcinoma as 8323/3. WHO Classification of Tumors of the Urinary System and Male Genital Organs, 4th ed., has reclassified this histology as a /1. This change has not yet been implemented and it remains reportable. WHO Classification of Urinary and Male Genital Tumors, 5th ed., has since reclassified clear cell papillary renal cell carcinoma as CCRCPT (8323/1). The name change was made because there have been no reports of metastatic events for this indolent tumor. The term clear cell renal cell papillary carcinoma is no longer recommended. |
2024 |
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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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