Multiple Primaries (Pre-2007)--Thyroid: Does the rule in the 3rd Edition of the SEER Program Code Manual apply to cases diagnosed before 1998 that states if there are two separate carcinomas in the thyroid, one papillary and the other follicular, it is one primary and coded to the combination code 8340/3 [Papillary and follicular carcinoma]? See discussion.
If the rule applies to cases diagnosed before 1998, does SEER plan to ask that cases diagnosed prior to 1998 be recoded?
The rule applies to tumors diagnosed 1998-2006. The rule is not retroactive. At this time, SEER does not plan to ask that tumors diagnosed prior to 1998 be recoded.
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-Pathologic Extension--Prostate: Can a pathological extension code be assigned when a retropubic prostatectomy is done? See discussion.
The TNM manual states, "Total prostatoseminalvesiculectomy and pelvic lymph node dissection are required for pathologic staging."
For cases diagnosed 1998-2003:
The pathology report from a retropubic prostatectomy should be used to code the Pathologic Extension field. This field is coded using pathology report information from the prostatectomy operation regardless of the surgical approach and regardless of whether or not a pelvic lymph node dissection was performed. This is one area in which TNM rules for pathologic staging and SEER rules for EOD are slightly different.
Surgery of Primary Site--Cervix: How is this field coded for a cervix primary when a biopsy removes the entire tumor? See discussion.
Path from biopsy shows "severe dysplasia--CIN III" and the report from an endocervical curettage (ECC) is "chronic cervicitis"?
For cases diagnosed 1998 and later: Code the Surgery of Primary Site field to 25 [Dilatation and curettage; endocervical curettage (for in situ only)].
EOD-Extension--Ovary: What code is used to represent this field for an ovarian primary presenting with "spread to the omentum"?
For cases diagnosed 1998-2003:
Code the EOD-Extension field to 75 [Peritoneal implants, NOS] because the size of the implants on the omentum is not known.
Note 6 was added to the EOD scheme which states that both direct extension and discontinuous metastasis to the omentum are coded in the range 70-75 depending on how the peritoneal implants are described.
EOD-Extension--Stomach: What code is used to represent this field for a stomach primary described as linitis plastica?
For cases diagnosed 1998-2003:
Code the EOD-Extension field to 30 [Localized, NOS], unless more information is known about the extent of tumor involvement. Coding the Histology field to 8142/3 [Linitis plastica] and the Size of Primary Tumor field to 998 [Diffuse; widespread; 3/4 or more: Linitis plastica] identifies this diagnosis.
In the EOD-Extension field, the depth of invasion is the important characteristic to be coded. The 10 digit EOD corresponds to the AJCC Staging Manual in which the "T" is based on level of invasion. While a diagnosis of linitis plastica indicates a worse prognosis, it does not define the extent of infiltration. There is no luminal mass with linitis plastica. Instead, the entire gastric wall is thickened by tumor.
EOD-Size of Primary Tumor--Lung: Can tumor size of 002 [Malignant cells present in bronchopulmonary secretions] be used when there is a lung mass seen but the diagnosis is from a positive bronchopulmonary secretion?
For cases diagnosed 1998-2003:
EOD-Size of Primary Tumor code 002 [Malignant cells present in bronchopulmonary secretions] is used only when there is no visible primary lung tumor and bronchopulmonary secretions are positive for lung malignancy.
Even if the diagnosis was made by cytology of broncho-pulmonary secretions, if there is a visible mass, code the size of the mass if known, code 999 if size is unknown.
EOD-Size of Primary Tumor--Breast: If the patient has inflammatory carcinoma of the breast, is the tumor size coded as 998 even though we have a tumor size?
For cases diagnosed 1998-2003:
Code the EOD-Size of Primary tumor field to 998 [Diffuse; widespread; 3/4 or more of breast; inflammatory carcinoma] for all inflammatory breast carcinomas.
These cases have a worse prognosis because of the dermal lymphatic invasion. Half of the inflammatory breast carcinomas will have no palpable mass.
Primary Site--Breast: What subsite code should be used for a diagnosis of "inflammatory carcinoma"?
Code the Primary Site field to C50.9 [Breast, NOS] for a breast primary presenting with inflammatory cancer unless there is a palpable mass within the breast. If there is a palpable mass, code the primary site to the position of the mass.
EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined: How are these fields coded if radiation to the primary site and/or regional lymph nodes is performed prior to surgery?
For cases diagnosed 1998-2003:
Code the EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined fields per the information in the pathology report(s). Radiation to the primary site would not affect the status of the lymph node involvement. Radiation to the regional lymph node region may or may not affect the pathologic status of the lymph nodes. However, for these fields code the best information available about the status of the lymph nodes which is reflected in the pathology report(s).
Histology (Pre-2007): What code is used to represent the histology "non-small cell carcinoma, NOS"? See discussion.
Should a non-small cell carcinoma histology be assumed to be a large cell carcinoma [8031/3] or should the histology be coded to carcinoma, NOS [8010/3]?
For tumor diagnosed 2001-2006: Code the Histology field to 8046/3 [non-small cell 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.
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