Multiple Primaries--Hematopoietic, NOS: When the SEER Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table indicates that a disease is not a new primary, but a pathologist or clinician states that it is a new primary, do we use the physician information or the table?
For cases diagnosed prior to 1/1/2010:If the physician clearly states that this is a new primary, submit it as a new primary. Otherwise, use the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table.
For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.
EOD-Extension--Meninges: How do you code extension for a malignant meningioma that invades into the adjacent brain tissue?
For cases diagnosed 1998-2003:
Code the EOD-Extension field to 60. Code 60 is defined as a brain tumor that extends into the meninges. It is also the appropriate code to use for a tumor that extends from the meninges to the brain.
Other Therapy/Immunotherapy--Hematopoietic, NOS: How should erythropoietin be coded for leukemia or other hematopoietic diseases?
Do not code Erythropoietin as treatment, it is used as an ancillary drug for leukemias or other hematopoietic diseases. Record information about erythropoietin in the text field.
Multiple Primaries (Pre-2007)--Bladder: Is a 1998 transitional cell carcinoma of the bladder, followed by a 2001 squamous cell carcinoma of the bladder reportable as a second primary?
For tumors diagnosed prior to 2007:
Yes. This case is reportable as a second primary. The rule in the SEER Program Code Manual says that invasive bladder cancers with histology codes 8120-8130 [papillary, transitional] are always coded as a recurrence and are an exception to the multiple primary rule. Squamous cell carcinoma [8070] is not a part of that exception.
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.
EOD Fields--All Sites: Is EOD information limited to what is available exactly two months from the day of diagnosis?
For cases diagnosed 1998-2003:
EOD should include all information available within four months of diagnosis in the absence of disease progression or through completion of surgery(ies) in first course of treatment, whichever is longer.
Mets known to have developed after EOD was established should be excluded.
EOD-Extension--Hematopoietic, NOS: If a solitary plasmacytoma originates in the right tonsil and extends to the left tonsil, vallecula and hypopharynx, is extension still coded to 10 [localized disease, solitary plasmacytoma only]?
For cases diagnosed 1998-2003:
Code the EOD-Extension field to 10 [localized disease, solitary plasmacytoma only] for all cases of solitary plasmacytoma.
Multiple Primaries/Histology--Lymphoma: If an oral mucosa, right hard palate biopsy contains a composite lymphoma [low-grade follicular + chronic lymphocytic leukemia], how many tumors should be abstracted and how should the histology field(s) be coded?
For cases diagnosed prior to 1/1/2010:This is one primary. Assign code 9590 [Malignant lymphoma, NOS]. This is a composite lymphoma. Code to lymphoma when there is any solid tumor (in lymph nodes, tissue, etc.) Code to lymphoma, NOS since this is not purely follicular and there is no code for composite lymphoma.
For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.
Surgery of Primary Site/Surgical Procedure of Other Site--Bladder: What codes are used to represent these fields for a deeply invasive bladder primary treated initially with a TURP (for suspected prostate extension that turns out to be pathologically negative) and a TURB that is subsequently treated with a cystoprostatectomy?
For cases diagnosed 1/1/2003 and after, code:
1. Surgery of Primary Site field to 60 [Radical cystectomy (male only)] because the cystoprostatectomy was the most extensive (definitive) surgery performed to the primary site.
2. Surgical Procedure of Other Site to 2 [Non-primary surgical procedure to other regional sites] based on the TURP.
Primary Site--Heme & Lymphoid Neoplasms: What primary site code should be assigned and what rule justifies that code?
Scenario: Pleural effusion, underwent thoracentesis. Pleural fluid unexpectedly showed Large B-Cell Lymphoma. Extensive workup including CT & PET was done and all findings were within normal limits. No evidence of lymphoma was seen and no palpable adenopathy was found. The only indication of lymphoma was the malignant pleural effusion.
Code to pleura, C384.
Per the Hematopoietic database, Diffuse Large B-Cell Lymphoma can originate in the pleural cavity.
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