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20240055 | Update to the Current Manual/Tumor Size Summary—Neoadjuvant Treatment: Would you clarify instructions in the 2024 SEER Program Coding and Staging Manual (SPCSM) for Tumor Size Summary when a patient receives neoadjuvant treatment? There seems to be a conflict with the STORE Manual. See Discussion. |
Starting for cases diagnosed in 2024, the SPCSM manual no longer requires the data items for clinical and pathologic tumor size. Instead, it appears to align with the CoC data item of Tumor Size Summary. The two manuals contradict each other when it comes to coding tumor size summary for neoadjuvant chemotherapy (NAC) treated cancers. STORE states: "If neoadjuvant therapy followed by surgery, do not record the size from the pathologic specimen. Code the largest size of the tumor prior to neoadjuvant treatment; if unknown code size as 999." 2024 SPCSM states "If neoadjuvant therapy followed by surgery, do not record the size from the pathologic specimen. Code the largest size of the tumor prior to neoadjuvant treatment; if unknown code size as 999." It continues to state 12. Assign code 000 when…. (a) no residual tumor is found…(i) Neoadjuvant therapy has been administered and the resection shows no residual tumor & 14. Assign code 999 when...(d) Neoadjuvant therapy has been administered and resection was performed. Do not use a post-neoadjuvant size to code pathologic tumor size; however, you may use the clinical tumor size if available It seems that we will lose the value of the tumor size summary if we code 000 when NAC is administered and there is no residual disease. Example: Patient has a 90 mm triple positive breast tumor and is treated with neoadjuvant TCHP (docetaxel/carboplatin/ trastuzumab/pertuzumab). After completing neoadjuvant therapy, the patient has a mastectomy with no residual disease noted on the final pathology report. Using the 2024 SPCSM instructions, code 000 for Tumor Size Summary instead of 090 for the clinical tumor size of 90 mm tumor noted before NAC was administered. This has the potential to affect data analysis, research, and clinical trial accrual. |
When there is neoadjuvant therapy followed by surgery, do not record the size from the pathologic specimen. Code the largest size of the tumor prior to neoadjuvant treatment; if unknown code size as 999. We will remove Coding Instruction 12.a.i in the next version of the manual. |
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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. |
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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. |
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20240020 | Histology/Behavior: There are currently no codes available on the ICD-10-CM casefinding list for several of the site-specific intraepithelial neoplasias (8077/2). Will there be an update with additional codes for these sites that currently do not have codes to enable casefinding for these? See the table below.
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Many of these terms are not specified in the codes and definitions in ICD-10-CM. This is because ICD-10-CM does not have the same granularity as ICD-O-3.2. There are a few sites where intraepithelial neoplasia II and/or III are mentioned. Even though ICD-O-3.2 classifies these as /2 (in-situ), for the intraepithelial neoplasia that are listed in ICD-10-CM, Grade II is designated as benign, while Grade III is designated as in-situ. It is not clear if medical coding will change the Grade II to an in-situ code. All the in-situ codes (except cervix) are included in the casefinding list. Grade III is included with the in-situ codes; however, there is no guarantee that medical coders will code them as in situ. High grades are coded as in-situ in ICD-10-CM. For those where there is no specific intraepithelial neoplasia code, the benign codes will cover any benign lesion for that site. This would make for a lot of review using the codes for casefinding. Most of the benign codes were removed from the casefinding list a couple of years ago to make it more manageable. Use the casefinding list as a guide for these neoplasias. It is not the most definitive source due to the lack of specificity of ICD-10-CM. It is not possible to map every single histology to a specific code. It is also not known how medical coders across the U.S. are coding these neoplasias. For that reason, pathology should remain the foremost casefinding resource used. The casefinding team will need to review the prepared list below and determine what codes to add. Any updates will be incorporated in the FY2025 updates (October 2024.)
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20240073 | Solid Tumor Rules/Multiple Primaries--Bladder: Urinary Sites Solid Tumor Rules (STRs), Rule M6, says to abstract multiple primaries when an invasive tumor occurs more than 60 days after an in situ tumor. Does that 60-day interval apply to the original diagnosis date, or to the latest recurrence? See Discussion. |
10/2017 Bladder cancer diagnosed as invasive papillary urothelial bladder carcinoma (8130/3) (submucosal invasion). 12/2017 Surveillance scope and transurethral resection of bladder tumor (TURBT) finds “recurrent” bladder tumor, non-invasive papillary urothelial bladder carcinoma (8130/2) - same primary per 2007 Multiple Primaries/Histology, Rule M6, (both papillary urothelial bladder carcinomas). 4/2018 Radical nephrectomy found focally invasive urothelial carcinoma (8120/3) in the renal pelvis. Is this a new primary per 2018 and forward STR, Rule M6, because it was more than 60 days since the 12/2017 in situ bladder recurrence? Or would one compare the 2018 diagnosis to the original invasive bladder tumor in 10/2017, and continue on to Rule M11, which says to abstract a single primary for urothelial carcinomas in multiple organs, regardless of behavior? SINQ #20120080 said to compare to the original diagnosis and disregard intervening recurrences, but that pertained to the 2007 MP/H rules. Does this still apply for 2018 forward? STR, Rule M10, Note 3, states when there is a recurrence within three years of diagnosis, the “clock” starts over. The time interval is calculated from the date of last recurrence. Comparing each recurrence for urothelial carcinomas using Rule M6 could result in over-counting them. Can the instructions on how to calculate the 60-day interval be clarified in Rule M6? |
Abstract a single primary for this scenario based on Urinary Sites STRs. 10/2017 and 12/2017 bladder diagnoses: Single primary (Rule M15: Abstract a single primary when synchronous, separate/non-contiguous tumors are on the same row in Table 2 in the Equivalent Terms and Definitions). This interval is not indicative of recurrence as there is no clinically disease free period on follow-up. Use the Multiple Primary Rules as written to determine whether a subsequent tumor is a new primary or a recurrence as stated in the General Instructions. The only exception is when a pathologist compares slides from the subsequent tumor to the “original” tumor and documents the subsequent tumor is a recurrence of the previous primary. Never code multiple primaries based only on a physician’s statement of “recurrence” or “recurrent.” 12/2017 (bladder) and 4/2018 diagnoses (renal pelvis): Single primary (Rule M11: Abstract a single primary when there are urothelial carcinomas in multiple urinary organs; behavior is irrelevant.) |
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20240017 | EOD/Prostate Pathologic Extension--Prostate: Is a pathology report from a prostate biopsy/transurethral resection of the prostate that states "with intraductal spread" extraprostatic/extracapsular extension or localized? |
Code as a localized, intracapsular tumor as ductal carcinoma in situ does not invade. Intraductal spread is describing the neoplasm spreading through the acinar/ductal cells in the prostate specimen. It is an in-situ type of spread and not invasive but almost always presents with an invasive tumor. |
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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. |
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20240060 | Solid Tumor Rules/Histology--Lung: What is the histology code for a lung case with a diagnosis only stated as "high-grade neuroendocrine tumor" in 2022? As the disease was advanced, limited workup was done, and no more specific diagnosis was provided. See Discussion. |
SINQ #20170064 states this should be coded as neuroendocrine carcinoma for rectum, but that may not apply for a 2018+ lung case. The Solid Tumor Manual lists "neuroendocrine tumor, grade 3" as 8249 in the Lung module, Table 3, but our pathology report does not specify grade 3 and we are unsure if that would be equivalent to "high grade" in this case. We were unable to find this exact term in the Solid Tumor Manual or the ICD-O-3.2 update documents. |
Assign 8249/3 for high-grade neuroendocrine tumor of the lung. WHO Classification of Thoracic Tumors, 5th edition, defines two subtypes of neuroendocrine tumor of the lung, typical carcinoids (8240/3), and atypical carcinoids. WHO assigns typical carcinoid/neuroendocrine tumor grade 1 as 8240/3 and atypical carcinoid/neuroendocrine tumor grade 2 as 8249/3. They are regarded as low-grade and intermediate-grade, respectively. The preferred term for 8249/3 in ICD-O-3.2 is neuroendocrine tumor grade 2, with neuroendocrine tumor grade 3 as a related term. The Lung Solid Tumor Rules assign atypical carcinoid as 8249/3. |
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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. |
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20240058 | Summary Stage 2018--Ovary: What is the summary stage for an ovarian primary in 2024, in which the ovary capsule was ruptured with surgical spill? See Discussion. |
In this case, the surgeon ruptured the ovarian tumor to drain it prior to removal causing the surgical spill. Regional lymph nodes are negative and there is no metastasis. The capsule was then noted as ruptured on pathology. Does it matter if the surgeon was the one who ruptured the capsule? Would the stage change if the surgeon intentionally ruptured the capsule to drain the tumor intraoperatively causing some surgical spill? The scenarios of an intentional and not intentional rupture are not specified in SEER Summary Stage 2018. |
Code SEER Summary Stage 2018 to Localized, Code 1. Per consult with AJCC and noted in the Primary Peritoneal Chapter in AJCC 8th edition, an intraoperative rupture is coded as a surgical spill. A capsule rupture is when the capsule ruptures prior to the surgery (Summary Stage Regional, Code 2). |
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