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20021092 | Histology/Primary Site--CLL/SLL: How should these fields be coded for a "chronic lymphocytic leukemia/small lymphocytic lymphoma" [CLL/SLL] diagnosed on a lymph node biopsy that is referred to by the clinician as CLL? See discussion. | Does the clinician's reference to this disease as CLL change the SEER rule to code to SLL if the disease arises in a lymph node or solid tissue? | For cases diagnosed prior to 1/1/2010:Code the Histology field to 9670/3 [Malignant lymphoma, small lymphocytic, NOS] and the Primary Site field to C77._ [lymph nodes] when CLL/SLL is diagnosed in lymph node or solid tissue, even if the clinician refers to CLL. When CLL/SLL is diagnosed in the blood, code as leukemia.
Refer to clarification #6 on the ICD-O-3 Errata and Clarifications. "...if disease is diagnosed only in the blood or bone marrow, code the primary site to C42.1, bone marrow and assign the leukemia morphology code. If the diagnosis is made on any other tissue (typically lymph nodes, lymphatic structures, breast, and stomach), code to the tissue involved and assign the lymphoma morphology. If the diagnosis is made on both blood or bone marrow and a tissue biopsy, code the tissue involved and assign the lymphoma morphology." 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. |
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20021091 | Reportability--Hematopoietic, NOS: Are the terms "thrombocytosis, NOS" and "thrombocythemia, NOS" non-reportable to SEER? See discussion. |
Our understanding from SEER about how to classify these types of clinical impressions for the 2001 and later reportable blood diseases is as follows: If we cannot prove that it is malignant, then we should be conservative and exclude the case for reporting to SEER. |
For cases diagnosed prior to 1/1/2010:The terms "thrombocytosis, NOS" and "thrombocythemia, NOS" are not reportable to SEER. 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. |
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20021090 | Primary Site--Ovary/Peritoneum: How should the Primary Site field be coded when no resection is done and it is uncertain whether the primary site is in the ovary or the peritoneum? See discussion. | CT: ascites, omental cake and peritoneal studding. H&P impression: probable ovarian or peritoneal primary. Repeat CT: no enlarged adnexal mass seen to suggest ca of ovary, but possibility couldn't be ruled out. Omental bx: Metastatic ca. Comment: "IHC stains have been performed and are not typical of ovarian ca, although do not exclude an ovarian primary." After the bx, there were two clinical diagnoses written a month apart with no evidence of further work-up between those dates. The first diagnosis was "ovarian ca". The second was "Peritoneal carcinomatosis 2 month ago; Primary is unknown, possibly ovarian." | Use the best information available to identify the primary site. In this case, it is the physician's clinical assessment. Code the Primary Site to C56.9 [Ovary] for this example because the ovary is indicated to be the primary site according to the physicians involved.
When there is no surgical procedure involving the removal of the ovaries, code the Primary Site based on the clinical assessment of the disease location. If the disease is only noted to be in the peritoneum, code site to peritoneum, NOS. If the disease is seen clinically in both the ovary and the peritoneum, code site to ovary. |
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20021089 | Primary Site--Ovary/Peritoneum: When ovaries are not found on a resection or if the ovaries removed are negative for malignancy, but the clinician refers to the adenocarcinoma in the pelvis as being an "ovarian" primary, should the primary site be coded as ovary, pelvic peritoneum or unknown? See discussion. | Example 1: Patient has a history of a BSO without an indication that it was done for malignancy. Pt has a resection. No ovarian tissue found. No site is mentioned in the pathology report. The clinician refers to the diagnosis of adenocarcinoma in the pelvis as an "ovarian" primary.
Example 2: Resected ovaries are negative. No specific site of origin is mentioned in the path. Again, the clinician refers to the diagnosis of adenocarcinoma in the pelvis as an "ovarian" primary. |
Code the Primary Site for both examples to peritoneum [C48.2]. When the physician refers to a case as "ovarian" even though the ovaries are negative or when the histology is an ovarian histology, such as papillary serous ca, the primary site should be coded to the peritoneum. Code the Primary Site to where it appears the disease is arising. | 2002 |
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20021088 | Multiple Primaries (Pre-2007)--Vulva/Vagina: SEER Program Code Manual rule #3 on page 11 states "If a new cancer of the same histology is diagnosed in the same site after two months, consider this new cancer a separate primary unless stated to be recurrent or metastatic. Should vulva and vagina be exceptions to rule #3, as are prostate and bladder? |
For tumors diagnosed prior to 2007: No. There is no exception for vulva or vagina. 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. |
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20021087 | Multiple Primaries (Pre-2007)--Head & Neck: How many primaries are represented when a1998 invasive squamous cell carcinoma of the true vocal cord is followed by a 1999 diagnosis of in situ squamous cell carcinoma of the true vocal cord (called "recurrent" by the clinician), and in 2001 there is another invasive squamous cell carcinoma of the true vocal cord (no statement of recurrence)? Would your answer be any different if no statement of "recurrent" had been made in 1999? | For tumors diagnosed prior to 2007:
Code this case as two primaries, an invasive true vocal cord primary in 1998 and another invasive true vocal cord primary in 2001.
If there had been no statement of recurrence for the 1999 in situ diagnosis and the 1999 diagnosis was more than two months following the 1998 diagnosis, this case would be coded as three primaries.
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. |
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20021082 | Multiple Primaries (Pre-2007)/Primary site/EOD-Extension--Head & Neck: How many primaries are represented by an invasive squamous cell carcinoma of the floor of mouth with in situ squamous cell carcinoma involvement of the frenulum? |
For tumors diagnosed prior to 2007: Code the Primary Site field to C04.9 [floor of mouth]. Because the cancer did not INVADE into a neighboring site (through wall, through soft tissue), it just spread along the mucosa (in situ) to involve the frenulum, this is one primary. For cases diagnosed 1998-2003, in situ extension via mucosal spread to the frenulum is ignored for purposes of coding EOD-Extension. 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. |
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20021081 | Multiple Primaries (Pre-2007)--Melanoma: Many melanoma patients have multiple occurrences over time that are not called recurrent and often are even in the same skin subsite, some in situ only and others alternating between in situ and invasive. Should these multiple occurrences really be new primaries? |
For tumors diagnosed prior to 2007: Unless it is stated to be a RECURRENT or METASTATIC melanoma, record each melanoma as a separate primary when: 1. The occurrences are more than two months apart. 2. The fourth digit of the ICD-O topography code for skin [C44._] is different . 3. The first three digits of ICD-O-3 morphology code are different. 4. An in situ melanoma is followed by an invasive melanoma. 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. |
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20021079 | Primary Site/Histology (Pre-2007)/EOD Fields/Surgery of Primary Site--Abdomen, NOS: What codes are used to represent these fields for a case with a resection of the rectosigmoid and adjacent tumor mass that demonstrated no tumor in the rectosigmoid but extramural to the colon there was an endometrioid adenocarcinoma arising in association with an area of endometriosis (possibly within the pericolic soft tissue or in an ovarian remnant)? | For cases diagnosed in 2003, code to: Primary Site: C76.2 [abdomen, NOS] Histology: 8380/3 [Endometrioid adenocarcinoma] EOD size, extension, lymph node: 999, 99, 9 [Unknown] Surgery of Primary Site: 98 [All unknown and ill-defined disease sites, WITH or WITHOUT surgical treatment] Scope of Regional LN Surgery: 0 [None] Surgical Procedure of Other Site: 2 [Non-primary surgical procedure to other regional sites]. |
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20021078 | Primary Site: How do you code the primary site when the tumor is identified in a bladder that was reconstructed using a stomach augmentation procedure and the pathology report states, "Bladder/prostate: adenocarcinoma arising within gastric mucosa, with the following features: highly infiltrative through the bladder wall"? | Code the Primary Site field to bladder [C67.9]. Code the location of the tumor as the primary site. | 2002 |
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