EOD-Extension--Colon: How is this field coded for an appendical primary when the appendix has ruptured and intrapentoneal fluid is positive?
For cases diagnosed 1998-2003: Code EOD extension as 85 [Metastasis]. Positive intraperitoneal fluid is equivalent to distant metastasis (implantation) for colon, including appendix, primaries.
Radiation Therapy--Prostate: Is the regional treatment modality XRT best coded to 50 (brachytherapy, NOS), 53 (LDR) or 54 (HDR) when the documentation indicates only "I-125 seeds" to the prostate?
Assign code 53 [Brachytherapy, interstitial, LDR] for seeds to the prostate. Seeds are always low dose because they are left in place and the radioactivity decays over time.
Multiple Primaries (Pre-2007)--Breast: Synchronous invasive right breast tumors. Ductal carcinoma, NOS in UIQ and Ductal carcinoma, tubular type in LOQ. Are these two primaries or a single primary coded to 8523/3?
For tumors diagnosed prior to 2007:
Code as two primaries, one 8500/3 [Infiltrating duct carcinoma] and one 8211/3 [Tubular carcinoma].
Apply the multiple primary rules first. These are synchronous right breast tumors with different histologies. Therefore, they are separate primaries according to rule 5.a on page 12 of the SEER Program Code Manual. ICD-O-3 histology code 8523/3 is NOT to be used to combine histologies from separate primaries; it is used for mixed histologies in a single primary.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.
Reportability/MP/H Rules/Histology--Ovary: What is the histology code for an ovarian tumor described as a mucinous borderline tumor, intestinal type?
Mucinous borderline tumor, intestinal type, of the ovary is not reportable. The behavior is /1. There is no applicable histology code for this histology when it ocurs in the ovary.
First Course Treatment--Lymphoma: Should the use of proton pump inhibitors be coded as treatment for lymphoma primaries in patients with H Pylori?
No, do not code proton pump inhibitors as treatment. These are used for gastric acid suppression. Proton pump inhibitors are used to treat symptoms, not the lymphoma itself.
Extension/CS Extension--Prostate: Do the prostate guidelines used for EOD still apply to cases diagnosed 2004 forward?
This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.For cases diagnosed 2004 and forward, refer to the Collaborative Staging manual.
The 2004 CS guidelines have been agreed upon by all standard setters and have been reviewed by the COC/AJCC urologists.
Note: Do not use the SEER EOD guidelines with Collaborative Staging.
Multiple primaries--Heme & Lymphoid Neoplasms: How many primaries are accessioned when a 9/30/10 biopsy diagnoses follicular lymphoma, grade 1 and the patient is subsequently diagnosed on a 10/11/10 biopsy with large B-cell lymphoma which is stated to be a transformation of the prior lymphoma?
Per Rule M11, this case is to be accessioned as two primaries; follicular lymphoma, grade 1 [9695/3] and diffuse large B-cell lymphoma (DLBCL) [9680/3]. The case represents a chronic neoplasm (follicular lymphoma, grade) and an acute neoplasm (diffuse large B-cell lymphoma) diagnosed within 21 days of one another and there is documentation of two biopsies, one confirming the chronic disease and the other confirming the acute disease.
SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.
Histology (Pre-2007)/EOD-Lymph Nodes/SEER Summary Stage 2000--Breast: What codes are used to represent these fields for a breast case with a diagnosis of ductal carcinoma in situ and a positive regional lymph node?
For tumors diagnosed prior to 2007:
Code the Histology field to 8500/3 [Infiltrating duct carcinoma, NOS]. Code the EOD-Lymph Nodes field to 6 [Axillary/regional lymph nodes, NOS] and the SEER Summary Stage 2000 field to 3 [Ipsilateral regional lymph nodes(s) involved only].
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules.
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.
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