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Report Produced: 11/08/2025 23:49 PM

Report Question ID Question Discussion Answer Year
20061053 Diagnostic Confirmation: How is this field coded for a case with a cytology that is suspicious for ductal carcinoma and the clinical diagnosis is carcinoma? See Discussion. SINQ 20031152 states that histology for this type of case is to be coded per the clinical diagnosis of "carcinoma." Does it follow then that Diagnostic Confirmation is to be coded 8 (clinical diagnosis only)? Would we code Diagnostic Confirmation differently if the clinician stated that the diagnosis of malignancy was confirmed by the suspicious cytology?

Code diagnostic confirmation as 8 [clincial diagnosis] when there is a suspicious cytology and a physician's clinical diagnosis. Do not accession cases with only suspicious cytology.

Code diagnostic confirmation as 8 when the clinician's diagnosis of malignancy is confirmed by the suspicious cytology. It is still a clinical diagnosis made by the physician using the information available for the case.

 2006
20081132 MP/H Rules--Breast: What is the histology code for a breast tumor that is ductal ca with focal squamous differentiation? See Discussion. SINQ 20021062 states for cases Dx'd prior to 2007, use 8570. Is 8570 also used when the squamous differentiation is focal? For cases diagnosed 2007 or later, use rule H14 and code the histology 8500 [duct carcinoma]. Ignore histologies described as "focal," "focus," or "foci." This instruction will be added to the histology rules in the upcoming revision of the MP/H manual. 2008
20091073 Grade: Can FIGO grade be used to code Grade/Differentiation? See Discussion. SINQ 20020059 says not to use FIGO grade to code differentiation. It also says SEER is evaluating whether the ICD-O-3 sixth digit differentiation codes accurately represent the FIGO grade. For the time being, do not code FIGO grade. What is the result of the evaluation? Any new information regarding FIGO grade?

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.Do not code FIGO grade in the grade field. The conversion from a three-grade system to a four-grade system does not work for FIGO grade three. Since FIGO G3 includes both Poorly differentiated and undifferentiated, it cannot be converted.

FIGO grade may be captured in a CS site specific factor in the future.

 2009
20061123 Reportability--Colon: Is a pathologically confirmed "tubulovillous adenoma with high grade dysplasia" reportable if clinical diagnosis at the time of the subsequent re-biopsy states "follow-up for colon polyps with ca in situ"? See Discussion. SINQ 20000245 states that high grade dysplasia is not synonymous with behavior code 2 (in situ). However, the 2004 SEER manual states that "cases clinically diagnosed are reportable. If the physician treats a patient for cancer in spite of the negative biopsy, accession the case." A pathologic diagnosis has priority over a clinical diagnosis. According to the pathologist, this case is not reportable. A re-biopsy is not treatment. 2006
20071051 MP/H Rules/Multiple Primaries--Lung: Please clarify the multiple primary rule M6 and the explanatory note that states when there is a single tumor in each lung, they are to be reported as multiple primaries unless stated or proven to be metastasis. See Discussion. Single tumor in left lung, single tumor in right lung. The rules take you to M6. Suppose the tumor in left lung is biopsied and there is a physician statement that right lung tumor is metastatic from left lung tumor. The note under M6 is "When there is a single tumor in each lung, abstract as multiple primaries unless stated or proven to be metastatic." In this case, is it a single primary or multiple primaries?

For cases diagnosed 2007 or later:

When there is a single tumor in one lung and a single tumor in the other lung, apply rule M6 and abstract as multiple primaries. Use this rule whenever there is a single tumor in each lung, even when neither tumor is biopsied or resected.

This rule is unique to lung. Our physician advisors emphasized that it is very unlikely that a single tumor in one lung could be metastatic from a single tumor in the opposite lung. Therefore, the default is to abstract as multiple primaries.

The note at M6 means that there must be proof that one tumor is metastatic in order to abstract as a single primary. For example, a biopsy of the tumor proving that it is metastatic. An opinion or belief that one tumor is metastatic is not sufficient. In the absence of proof, use rule M6 and abstract as multiple primaries.

A list of MP/H clarifications will be available. This issue will be included on the list.

 2007
20081090 MP/H Rules: Does the presence of metastases affect the application of the MP/H rules? See Discussion. Single lung tumors presenting in each lung but the patient also presents with bone mets? Would rule M6 apply? Or do the bone mets represent additional tumors?

For cases diagnosed 2007 or later, the MP/H rules do not apply to metastases. Ignore metastases when applying the rules.

For the case above, use rule M6 and abstract as two primaries (right lung and left lung). The bone mets are ignored.

 2008
20061039 CS Tumor Size/CS Site Specific Factor--Breast: Should the tumor size be coded to 1.5 cm or 2.5 cm and SSF6 coded to 020 or 030 respectively for a tumor with invasive and in situ components described as being a 2.5 cm tumor with a "greater than" 1.5 cm invasive portion? See Discussion. Should tumor size be coded to 1.5 cm and SSF6 coded to 020 [Invasive and in situ components present, size of invasive component stated and coded in CS Tumor Size] or should the tumor size be 2.5 cm with SSF6 coded to 030 [Invasive and in situ components present, size of entire tumor coded in CS Tumor Size because size of invasive component not stated and in situ described as minimal (less than 25%)]?

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.

Code CS tumor size 992 [stated as greater than 1 cm] and SSF6 code 020.

The September 2006 revision to the CS Tumor Size table now lists the 992-995 range codes as "greater than ___ cm."

It is better to code the invasive size than the entire size of the tumor. In the TNM mapping, this would more accurately portray the tumor as T1c rather than T2.

 2006
20051007 CS Tumor Size--Breast: How is this field coded for a 1.5 cm clinically palpable tumor that appeared to be a cyst with a papilloma when the partial mastectomy Path Micro stated the lesion was an "intraductal papilloma with focal noninvasive papillary carcinoma"? See Discussion. Should the size be coded to 999 [unknown] because the noninvasive papillary carcinoma is described only as "focal" and is not measured and it is not known how much of the tumor is benign and how much is in situ. Or would the size be coded to the size of the palpable mass, 1.5 cm?

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.

Code CS tumor size as 999 [unknown]. Size of the focal noninvasive papillary carcinoma is not stated.

 2005
20000256 EOD-Size of Primary Tumor--Melanoma: How do you code tumor size for a melanoma diagnosed by a positive lymph node biopsy when the primary site is coded C44.9 because no primary site was identified? See discussion. Should the size be 000 because no primary was found or 999 for unknown?

For cases diagnosed 1998-2003:

Code the EOD-Size of Primary Tumor field to 000 [No mass; no tumor found] when primary site is coded to C449.

 2000
20031024 Surgical Fields--Head & Neck: How does one code the removal of benign submandibular and sublingual glands performed during a neck dissection for a head and neck cancer? See discussion. Should the removal be coded as incidental in the surgical Procedure if the Other Site field? Does it make a difference if the submandibular gland is removed en toto with lymph nodes or if the gland is submitted as a separate specimen? Does it make a difference if the glands are involved?

Removal of the lower salivary glands is part of a radical neck dissection and is not recorded in Surgery of Primary Site or Surgery of Other Site. Radical neck dissection is coded under "Scope of Regional Lymph Node Surgery."

It does not matter whether or not the gland is submitted as a separate specimen. It does not matter whether or not the gland is involved.

 2003