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20190084 | Histology/Heme & Lymphoid Neoplasms: Should the histology be coded to chronic myeloid leukemia (CML), BCR-ABL1-positive (9875/3) regardless of the quantitative analysis percentage of BCR-ABL1 that was detected? See Discussion. |
Example: Bone marrow biopsy diagnosis is chronic myelogenous leukemia, chronic phase, and the RT-PCR test result proved, BCR-ABL1 p210 (Major Breakpoint) - Detected, 3.3659%. Even though the p210 fusion transcript was less than 5%, it was detected. The presence of BCR-ABL1 does define whether or not patients are treated with tyrosine kinase therapies. Therefore, it seems likely that the presence of any BCR-ABL1 would be captured using the more specific histology code 9875/3, instead of the non-specific CML, NOS histology code 9863/3. Are there minimum threshold requirements for these quantitative studies in order to code the histology to the more specific type of CML? |
Code chronic myeloid leukemia (CML) BCR-ABL1-positive as 9875/3. According to the WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues, 4th edition, CML BCR-ABL1-positive is characterized by the chromosomal translocation t(9;22) which results in the formation of the Philadelphia (Ph) chromosome containing the BCR-ABL1 fusion gene. The diagnosis requires detection of the Ph chromosome and/or BCR-ABL1. If the mutation is detected, regardless of percentage, it is positive. Quantitative levels of BCR-ABL are used to monitor response to tyrosine kinase inhibitor therapy. |
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20190040 | Reportability--Heme & Lymphoid Neoplasms: Is peripheral blood with a diagnosis of monoclonal B-cell lymphocytosis (MBL) with chronic lymphocytic leukemia (CLL) phenotype reportable for any year? See Discussion. |
SINQ 20180050 and 20130041 appear to have conflicting answers regarding the reportability of MBL with CLL (immuno)phenotype. While the question content of SINQ 20180050 does not reference the CLL phenotype, it is included in the Discussion as part of the oncologist's assessment. The answer does not address the clinical diagnosis of MBL with CLL-phenotype and simply states that monoclonal B-cell lymphocytosis is not reportable. SINQ 20130041 does include the CLL phenotype information in the primary question and it is expanded on in the discussion as present in peripheral blood. Based on that information, the answer is that it should be reportable and coded as CLL (9823/3). |
The description in the question is for 9823/1 per WHO blue book 2016. This description and code are not reportable. We will review the other SINQ questions and revise if necessary. |
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20190057 | Reportability/Histology--Penis: Are and (PeIN) equivalent to PeIN3 and thus reportable? See Discussion. |
Appendix E1 of the 2018 SEER manual references a similar diagnosis as being reportable for vulva and vagina only. However, the WHO Classification of Tumors of the Urinary System and Male Genital Organs (4th ed) does include high grade penile intraepithelial neoplasia as a synonym for 8077/2. |
Penile intraepithelial neoplasia, grade III (PeIN III) and squamous cell carcinoma in situ of the penis are reportable. If possible, query the physicians as to whether "high grade penile intraepithelial lesion" or are synonymous with one of the reportable terms. If no further information can be obtained, report the case as C609 8077/2, and use text fields to document the details. |
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20190046 | Tumor Size/Bladder: The 2018 SEER Coding and Staging Manual says to use imaging over physical exam as priority for determining tumor size. If a bladder tumor is 4 cm visualized on cystoscopy, and is 2.8 cm on CT scan, which should be used as the clinical size? Is cystoscopy (endoscopy) a clinical exam or imaging? |
For the case described here, use the size from the CT scan. Physical exam includes what can be seen by a clinician either directly or through a scope. A tumor size obtained visually via cystoscopy is part of a physical exam. Therefore, the imaging (CT) tumor size is preferred. Use text fields to describe the details. |
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20190027 | Extent of Disease 2018/Primary tumor/Neoadjuant treatment: If there is no clinical information available and all that is available is the post-neoadjuvant information, is it better to code EOD unknown (999) or use the post-neoadjuvant information to code EOD? See Discussion. |
The Extent of Disease (EOD) Manual states: Neoadjuvant (preoperative) therapy: If the patient receives neoadjuvant (preoperative) systemic therapy (chemotherapy, immunotherapy) or radiation therapy, code the clinical information if that is the farthest extension documented. If the post-neoadjuvant surgery shows more extensive disease, code the extension based on the post-neoadjuvant information. |
Code EOD Primary Tumor using the post neoadjuvant information for this case. Since the only information you have is the post neoadjuvant, code that. EOD combines clinical and pathological information. |
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20190085 | Primary site/Histology: Are the 2018 ICD-O Histology Update topography codes intended to specify the most common sites for these new codes and can the histology be coded if they occur in other sites? See Discussion. |
Example 1: Endometrial biopsy final diagnosis is high-grade serous adenocarcinoma. Should we code this endometrial primary with histology 8441 (serous adenocarcinoma) because C54.X topography code is not listed in the applicable 2018 ICD-O-3 codes Histology Update for the new morphology, or should we apply the new histology code 8461 (high-grade serous carcinoma)? The NAACCR implementation guideline section 2.3 includes an important reminder that: Many of the new codes, terms, and behaviors listed in this update are site-specific and do not apply to all sites. Applicable C codes will be noted next to the term in bold font. However, this is followed by the more ambiguous instruction for edits that appear to imply the combination with non-listed sites is possible: These site- and histology-specific combinations will not be added to the Impossible combination edit. However, if a site other than the one listed with the morphology code is assigned, the result will be an edit requiring review. This is Interfield Edit 25. |
The NAACCR Guidelines for ICD-O-3 Histology Code and Behavior Update Implementation, effective January 1, 2018, state: Currently in ICD-O-3, when a topography (C code) is listed in parentheses next to the morphology term, it indicates morphology is most common to that site. It may occur in other sites as well. Many of the new codes, terms, and behaviors listed in this update are site-specific and do not apply to all sites. Please review the Comments to determine which histology codes are specific to sites. You may use sites not listed as the suggested site; however, it will generate an edit error for review and verification of the appropriate site. |
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20190081 | Race: How is race coded for a patient who self-reports as white? In the Family History portion of the genetics consult, it states the maternal family is of mixed European and Cherokee descent; the paternal side is of mixed German/mixed European descent. Is race coded as Race 1: 03-American Indian and Race 2: 01-White, or as 01-White according to self-report by the patient? |
Self-reported information is the highest priority for coding race. That is because the race information for the U.S. population comes from census data and that information is self-reported. For national cancer statistics, in order for the numerator (cancer cases) and the denominator (population) to be comparable, use self-reported race information whenever it is available. We will add this clarification to the SEER manual. |
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20190032 | Summary Stage 2018--Lung: Are ground-glass lung nodules coded as distant for Summary Stage? See Discussion. |
Chest x-ray: Multifocal pneumonia in left lung; possibility of masses in left lung not excluded. Chest CT: 4 large ground-glass masses in LUL (largest 46mm); beginning of Tree-In-Bud appearance in LUL; 2 small ground-glass nodules in right lung. Lung LUL biopsy: Adenocarcinoma, Solid Predominant. No further information as patient did not want to discuss treatment options. Per the AJCC book and CAnswer Forum, multifocal classification should be applied equally whether the lesions are in the same lobe OR in different ipsilateral lobes OR contralateral lobes, cT2b(m), cN0, cM0. |
Do not assume that ground glass presentation is consistent with a neoplasm. There are numerous causes of a ground glass lung condition such as sarcoidosis or pulmonary fibrosis. A ground glass lung opacity may also be observed in conditions such as alveolar proteinosis, desquamative pneumonitis, hypersensitive pneumonitis, and drug-induced or radiation-induced lung disease. If an area of ground glass opacity persists in the lung, it is usually classified as an adenocarcinoma, a classification that ranges from premalignant lesions to invasive disease. This is in line with AJCC that states to stage based on the largest tumor determined to be positive for cancer. To Summary Stage the case example provided, ignore the lesions in the contralateral lung (do not assume that they are malignant). There are multiple lesions in the left lung, but once again, do not assume that those not biopsied are malignant. This leaves us with the lesion confirmed to be malignant, making this a Localized (code 1) tumor. |
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20190048 | Reportability/Histology--Skin: Is malignant hidroacanthoma simplex of the scalp reportable? If so, what is the histology? |
Malignant hidroacanthoma simplex of the scalp is reportable. Malignant hidroacanthoma simplex is a synonym for porocarcinoma, 8409/3. |
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20190018 | Histology--Thyroid: Should any mention of encapsulated be included in the histology coding (8343/3 vs. 8260/3) for papillary thyroid carcinoma cases? See Discussion. |
Example: Left thyroid lobectomy with final diagnosis When the only mention of encapsulation is included in the tumor characteristics of the College of American Pathologists (CAP) summary, not the pathologist's choice of histologic type, what is the preferred histology? |
Assign 8343/3 for encapsulated variant of papillary thyroid carcinoma. If the pathology report is not available, use the histologic type in addition to other information in the CAP Protocol. |
2019 |
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