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20220044 | Solid Tumor Rules (2018/2021)/Histology--Head & Neck: What is the histology code for a uvula (C052) primary with histology of squamous cell carcinoma, conventional (keratinizing) and p16 result is negative? See Discussion. |
The Schema ID for C051 (soft palate, NOS) and C052 (uvula) is Oropharynx (either 00100 or 00111 depending on p16). The Solid Tumor Rules Manual includes these site codes are under Table 4: Tumors of Oral Cavity and Mobile Tongue site group for histology coding. We are aware of the notes that allow coding of 8086 for keratinizing SCC, HPV-negative for sites listed in Table 5 only. However, it seems like C051 and C052 were incorrectly omitted from Table 5 (mis-categorized under Table 4). Can we code 8085 for 8086 for C051 or C052 based on p16/HPV status? |
Assign code 8071/3 for keratinizing squamous cell carcinoma. Codes 8085 and 8086 are only valid for the Head and Neck sites listed in Table 5 beginning with cases diagnosed 01/01/2022 and forward. |
2022 |
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20220010 | EOD 2018/Heme & Lymphoid Neoplasms--Myeloid Sarcoma: How is Extent of Disease (EOD) Primary Tumor coded for a myeloid sarcoma with multifocal skin involvement? See Discussion. |
Patient has a diagnosis of myeloid sarcoma presenting as multiple erythematous papules and nodules on back, chest, right arm & shoulder. Oncologist did not mention any evidence or suspicion of an associated AML diagnosis. HemeRetic schema EOD Primary Tumor Note 1 states that myeloid sarcoma can be coded as localized (code 100) or systemic (code 700). It is not clear what would qualify as systemic disease for myeloid sarcoma. |
Assign code 100, localized, using the 2018 EOD Primary Tumor, HemeRetic schema, for the myeloid sarcoma with skin involvement since only the skin is involved. Use code 700, distant or disseminated, when multiple organs are involved. |
2022 |
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20220049 | Solid Tumor Rules/Multiple Primaries--Lung: How many cases should be abstracted for a patient with 2022 wedge biopsy of right upper lobe acinar predominant lung adenocarcinoma and wedge biopsy of right lower lobe lepidic predominant adenocarcinoma if there is concern for diffuse spread throughout the lungs secondary to the lymphangitic carcinomatosis and possible diffuse pneumonic type of adenocarcinoma? See Discussion. |
Acinar predominant adenocarcinoma measures at least 12 mm and involves wedge biopsy margins, while the lepidic predominant adenocarcinoma measures 11 mm and does not involve the margins of that separate specimen. Pathologist also notes, “CT findings of diffuse coarse reticular nodular opacity, these findings may represent pneumonic type adenocarcinoma/diffuse pulmonary involvement or intrapulmonary metastasis. Both of these scenarios have the corresponding stages of pT4 (if thought to be ipsilateral) or M1a (if thought to also involve the contralateral lobe).” Patient declined any further treatment and transitioned to hospice before expiring less than 1 month after wedge biopsies. It is unclear if Rule M6 would apply to these two specimens with different subtypes since this scenario is not specifically addressed in the M rule definitions. |
Abstract two separate primaries when separate/non-contiguous tumors are two or more different subtypes/variants in Column 3 of Table 3 using Rule M6 in the Solid Tumor Rules (September 2021 Update). They represent two subtypes/variants of the same NOS histology. When coding histology, tissue from pathology takes precedence over imaging, including when stated as differential diagnoses based on the CT scan, as noted by the pathologist in this example. |
2022 |
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20220039 | Reportability/Histology--Eye: Is “squamous mucosa with high grade dysplasia” equivalent to a diagnosis of “high grade squamous dysplasia?” See Discussion. |
A conjunctival biopsy final diagnosis is squamous mucosa with moderate to high grade dysplasia. The diagnosis comment states that immunostains were performed and confirm squamous histology. This seems to imply a high grade squamous dysplasia, rather than a non-reportable high grade dysplasia. Does this case meet the criteria for reportable high grade squamous dysplasia? |
Squamous mucosa with high grade dysplasia is the same as high grade squamous dysplasia in the conjunctiva and is coded to 8077/2. |
2022 |
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20220042 | First Course Treatment/Radiation Therapy: How should Lutathera be coded? CoC states XRT- Radioisotopes and SEER states Other Treatment. |
Lutathera is a radioconjugate consisting of the tyrosine-containing somatostatin analog Tyr3-octreotate (TATE) conjugated with the bifunctional, macrocyclic chelating agent tetra-azacyclododecanetetra-acetic acid (DOTA) and radiolabeled with the beta-emitting radioisotope lutetium Lu 177 with potential antineoplastic activities. |
Update to the current manual: Code Lutathera as radiation (isotopes NOS code 13). We will make this change in the next version of the SEER manual. |
2022 |
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20220033 | When coding the Covid testing results, does SEER have any guidance on whether or not at home tests fall within reportability? For instance, if a medical provider says pt tested positive on an at home test, do we record that? |
When you have information about home COVID tests, record this information. For example, if the home test was positive record as follows: COVID-19 rapid viral antigen test POS 08/09/2022 |
2022 | |
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20220018 | Solid Tumor Rules/Histology--Thyroid: What is the correct histology code for the following thyroid primary with multiple tumors abstracted as one primary diagnosed prior to 2021? See Discussion. |
2016 Total thyroidectomy, Multifocal -Dominant Tumor: Right Lobe, Papillary thyroid carcinoma (8260/3) -Tumors two through five: Three tumors Papillary thyroid carcinoma (8260/3), and one tumor Papillary thyroid carcinoma, follicular variant (8340/3) -An additional tumor: Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (8343/2) |
Code this multifocal thyroid carcinoma, single primary, as papillary thyroid carcinoma, follicular variant (8340/3) using Solid Tumor Rules, Other Sites, Rule H13 that says to code the most specific histologic term. We consulted with our endocrine specialty pathologist and when there is a mix of papillary and follicular variants, assign 8340. Non-invasive follicular thyroid neoplasm with papillary-like nuclear features is coded as 8349/1 beginning in 2021. According to the WHO Classification of Endocrine Organs, 4th edition, it was formerly classified as non-invasive encapsulated follicular variant of PTC (FVPTC) (8343/2) but was reclassified based on extremely low malignant potential. |
2022 |
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20220014 | Surgery of Primary Site--Melanoma: How is Surgery of Primary Site coded when a path specimen is labeled as a “staged excision” for a cutaneous melanoma. See Discussion. |
Patient was diagnosed on biopsy with lentigo maligna melanoma of the nasal dorsum. The only available documentation of the subsequent surgery is a single pathology report with the nasal dorsum “staged excision (debulking specimen)” and four additional “staged excision” specimens of the same site. Is it safe to assume this is a Mohs surgery? Would it be safe to assume staged excisions of sites other than skin of face, are also Mohs surgery? |
Interpret a "staged excision" for cutaneous melanoma as a type of Mohs surgery. Skin surgery codes are currently under review and revision. Document details in available text fields. |
2022 |
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20220008 | Reportability/Histology--Soft Tissue: Is atypical spindle cell neoplasm, primitive myxoid mesenchymal tumor of infancy (PMMTI) from the soft tissue of the leg in August of 2019, reportable? |
Primitive myxoid mesenchymal tumor of infancy (PMMTI) is reportable. PMMTI is listed in the new WHO 5th edition Classification of Soft Tissue and Bone Tumors under round cell sarcomas. This is a variant of BCOR sarcomas. There is a new ICD-O histology code assigned for cases diagnosed in 2022 or later (9368/3). Code this 2019 case to round cell sarcoma, undifferentiated 8803/3. Use text fields to explain the details. |
2022 | |
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20220011 | Reportability/Ambiguous Terminology: When the only source of information states the diagnosis as two terms, one reportable and one non-reportable, separated by a "slash" (/), should we report the case using the reportable term? See Discussion. |
For example: -ultrasound of the right eye: consistent with a nevoma/melanoma; we could not find any indication that nevoma is a reportable term -bladder biopsy pathology report: severe urothelial dysplasia/carcinoma in situ (CIS) As a central registry, we receive some limited information cases like this where there is no record of treatment or possibility to follow-back to physicians for clarification, so we want to make sure we are reporting them correctly. |
If possible, try to obtain further information. If no further information can be obtained, accession the case using the reportable term, melanoma and CIS in the respective examples, when there is a single report in which both reportable and non-reportable diagnostic terms are listed with a slash and there is no other information. Most often, the slash indicates the terms are being used synonymously. |
2022 |
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