Report | Question ID | Question | Discussion | Answer | Year |
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20010145 | EOD-Extension: There is a one to many relationship between T values in TNM staging and SEER EOD-Extension values (one T value can be coded to many extension values). For most situations, we can typically code EOD-Extension to the lowest value in the range available for that T value per the SEER guidelines. But, what happens if another tumor feature, such as tumor size, was involved in the assignment of a T value? See discussion. | Example: Physician stages lung tumor as T2. The lowest extension code, 20, doesn't precisely fit the guidelines for a T2 tumor because the T2 stage may be based on the size of the tumor, which doesn't have anything to do with the EOD-Extension field. Should EOD-Extension be coded to 30 rather than 20? | The criteria for AJCC stage T2 consists of both size and tumor extension values. Size of tumor is recorded in the EOD-Size of Primary Tumor field. If you determine that size is the physician's sole criteria for assigning a T2 value, code an EOD-Extension value that reflects more specific information than 30 [localized, NOS]. Code to 10 or 25, depending on the case.
If the tumor size is not provided, and there is only a clinician statement that describes the lung tumor as a stage T2, code EOD-Extension to 20, the numerically lowest equivalent EOD-Extension code for the lung T2 category. |
2001 |
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20010116 | EOD-Size of Primary Tumor--Corpus Uteri: If both the width and depth of the tumor are provided, do we code the largest dimension in the tumor size field? If the width dimension is not provided, can we code the depth of the tumor in the tumor size field? See discussion. | Example: An endometrial primary is described as having, "a soft lobulated tumor diffusely involving the entire endometrium, extending 2.0 cm into the myometrium." | For cases diagnosed 1998-2003:
Code the EOD-Size of Primary Tumor field to 999 [unknown] for this case because this field is supposed to reflect the dimension for tumor width and not tumor depth. Tumor depth is coded in the EOD-Extension field. |
2001 |
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20010044 | Reportability/Ambiguous Terminology/Date of Diagnosis: If a "suspicious" cytology is reportable only when a later positive biopsy or a physician's clinical impression of cancer supports the cytology findings, is the Date of Diagnosis field coded to the later confirmation date rather than to the date of the suspicious cytology? Is a suspicious "biopsy" handled the same way? |
Cytology reported as "suspicious" is not reportable. If the physician confirms the suspicious cytology by making a clinical diagnosis of malignancy, the Date of Diagnosis field is coded to the date of the clinical diagnosis, which may or may not be same date the cytology was performed. Without supporting clinical documentation, the case will remain non-reportable and will not be submitted to SEER. The supporting documentation can be a physician's statement that the patient has cancer, a scan or procedure that identifies cancer, or a positive biopsy. Suspicious "biopsies" are reportable according to SEER's list of ambiguous terms. Suspicious "cytologies" without supporting clinical statements are not. |
2001 | |
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20010118 | All Surgical Fields/Radiation Sequence with Surgery--Unknown Primaries: What codes are used to represent these fields for an unknown primary treated with a radical neck dissection followed by radiation therapy? | For unknown primaries treated with a lymph node dissection and diagnosed 1/1/2003 and after, code: 1) Surgery to Primary Site: 98 [All unknown and ill-defined disease sites, WITH or WITHOUT surgical treatment]. 2) Scope of Regional Lymph Node Surgery: 9 [Unknown or not applicable]. 3) Surgical Procedure of Other Site: 1 [Surgery to other site(s) or node(s), NOS; unknown if regional or distant]. 4) Radiation Sequence with Surgery: 3 [Radiation after surgery]. Any planned surgical treatment is used to code radiation/surgery sequence (per CoC I&R). |
2001 | |
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20010144 | EOD-Extension--Cervix: How do you code tumor extension described as "the in situ lesion extends from the cervix to the mucosa of the vagina"? See discussion. | Example: Cone biopsy of cervix and vaginal vault both show ca in situ. The op report stated: "lesion extending from the left lateral portion of the cervix onto the left lateral portion of the vagina." The pathologist stated it "appeared to be an in situ lesion extending from the cervix to the mucosa of the vagina." | For cases diagnosed 1998-2003:
Code the Primary Site to C53.9 [Cervix uteri] and the EOD-Extension filed to 00 [in situ]. In situ is a measurement of invasion. Extension of the cervical in situ carcinoma via the mucosa to the vagina does not affect the EOD extension code. |
2001 |
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20010096 | Multiple Primaries (Pre-2007)--Bladder: Should an invasive malignancy following an in situ malignancy by more than two months be a new primary? Why? See discussion. |
Example: An in situ bladder case was diagnosed and treated. Three months later another TURB diagnosed an invasive bladder carcinoma. Is the invasive case reportable to SEER as a new primary? |
For tumors diagnosed prior to 2007: Yes. These are two primaries. In situ cancers are not included in SEER incidence rates. Incidence rates must correlate with mortality rates. 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. |
2001 |
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20010005 | Grade, Differentiation--Lymphoma/Leukemia: What code is used to represent this field for a lymph node biopsy that reveals "well differentiated lymphocytic lymphoma" and a bone marrow biopsy that reveals "chronic lymphocytic leukemia/well differentiated lymphocytic lymphoma"? | For cases diagnosed prior to 1/1/2010:
Code the Grade, Differentiation field to 1 [Grade 1] for both of these cases because there is no mention of T-cell, B-cell, null cell, or NK cell involvement. Both cases have a pathologic description of well differentiated, not the descriptors "high grade," "low grade," or "intermediate grade" which must be ignored when coding grade for lymphomas.
For lymphomas, you cannot code the descriptions "high grade," "low grade," and "intermediate grade" in the Grade, Differentiation field because these terms refer to categories in the Working Formulation and not to histologic grade. However, you can code terms such as "well differentiated", "moderately differentiated" and "poorly differentiated" for lymphoma histologies.
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. |
2001 | |
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20010136 | Reason no treatment/Surgery of Primary Site: Does the "Reason for No Cancer-Directed Therapy" field only relate to the "Surgery of Primary Site" field? If so, for what diagnosis years is that effective? Have SEER's coding guidelines changed over time? See discussion. | Whenever a surgical procedure is performed that results in a non 0 or 9 code in any one of the Surgery fields, should the Reason for No Site-Specific Surgery field be coded to 0 [Cancer-directed surgery performed]? | For cases diagnosed 2003 and forward: The field "Reason for No Surgery of Primary Site" applies only to surgery of primary site. This is a change from the pre-2003 instructions. | 2001 |
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20010003 | Histology (Pre-2007)--Prostate: What code is used to represent the histology "prostatic duct carcinoma"? See discussion. | Should the histology be coded to duct carcinoma [8500/3] or endometrioid carcinoma [8380/3]? Prostatic duct carcinoma is defined as endometrioid carcinoma; however, sometimes the pathology report describes the histology as being only "prostatic duct carcinoma." | For tumors diagnosed prior to 2007:
If there is no mention of endometrioid carcinoma in the microscopic description, code the Histology field to 8500/3 [duct carcinoma]. If "endometrioid carcinoma" is mentioned in either the final diagnosis or in the microscopic description, code the Histology field to 8380/3 [endometrioid carcinoma].
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. |
2001 |
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20010158 | EOD-Pathologic Extension--Prostate: Does capsular invasion (code 32) take priority over apex extension (code 34) on prostate primaries? See discussion. | On prostatectomy, adenocarcinoma involves left apex and also left mid lobe where it focally invades capsule. Do we code extension to 34 - the highest numerical code, or to 32 to capture the capsular invasion? Do codes 33 and 34 represent a subset of code 31, and would code 32 represent greater tumor involvement? | For cases diagnosed 1998-2003:
Code the EOD-Pathologic Extension field to 32 [Invasion into (but not beyond)prostatic capsule] when there is both capsular and apex invasion of the prostate.
Although numerically lower, code 32 takes precedence over codes 33 [arising in the apex] and 34 [extending to the apex]. Codes 33 and 34 are "subsets" of code 31 [Into prostatic apex/arising in prostatic apex]. |
2001 |