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Report Produced: 03/18/2026 12:38 PM

Report Question ID Question Discussion Answer Year
20031042 Histology (Pre-2007): How are the following four histologies coded: 1) Adenocarcinoma with focal mucinous adenocarcinoma; 2) Adenocarcinoma with focal areas of bronchioalveolar adenocarcinoma, 3) Mixed infiltrating duct and focal medullary carcinoma, and 4) Mixed infiltrating duct and focal medullary carcinoma? See Description.

1. How do we code colon: Adenocarcinoma with focal Mucinous adenoca? 8140/3 or 8255/3?

2. A lung lesion with predominant adenoca with focal areas of bronchioalveolar adenoca? 8140/3 or 8255/3?

3. Mixed infiltrating duct carcinoma and medullary ca? 8510/3 or 8255/3?

4. Mixed infil duct ca and focal medulary ca? 8510/3 or 8255/3?

For tumors diagnosed prior to 2007:

1. 8140/3, Adenocarcinoma. Mucinous has a specific rule (see sinq 20010075): Include the mucinous component only if it is 50% or more of the tumor. "Focal" is not a majority term.

2. 8250/3, Bronchiolo-alveolar adenoca. Code the more specific histology.

3. 8523/3, Infiltrating duct mixed with other types of carcinoma. Combination of infiltrating duct and another type of carcinoma.

4. 8523/3, Infiltrating duct mixed with other types of carcinoma. Combination of infiltrating duct and another type of 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.

 2003
20031040 First Course Treatment/Radiation Therapy/Immunotherapy--Thyroid: For this primary, do we code I-131 as a Radio-isotope as well as a Biological Response Modifier? See Description. (SEER Book 8 lists I-131 as a Biological Response Modifier.) Immunoglobulin is listed as immunotherapy agent in the CCR manual also coded as immunotherapy. Are there two different types of I-131, immunoglobulin and sodium iodide?

Code Radioactive Iodine, Sodium Iodide 131-I, as radiation (code 3, Radioisotopes).

Sodium Iodide is listed as an ancillary drug in SEER Book 8, page 45. The listing on page 63 refers to Antiferritin antibody, or AntiCEA. Both of these were under clinical investigation when Book 8 was written. They are no longer active and this change will be made when Book 8 is revised.

 2003
20031039

EOD-Clinical Extension--Liver: How do the segments of the liver described by AJCC Manual correspond to the lobes of the liver described by the SEER EOD Manual? See Description.

CT described hepatocellular ca involvement of the liver with nodules identified in segments 5 and 7. Would EOD-extension be coded to 30 [multiple tumors (one lobe)]?

Segments 2, 3, and 4 correspond to the left lobe of the liver. Segments 5, 6, 7 and 8 correspond to the right lobe of the liver. Segment 1 is the caudate lobe, which has completely different drainage and vascularization, is separate from the larger right and left lobes.

For cases diagnosed 1998-2003: Since segments 5 and 7 are both in the right lobe, assign EOD-extension code 30 for the case above, unless there is mention of vascular invasion. Be sure to record the size of the largest primary tumor.

Tumor size and vascular invasion are the most important factors for AJCC 6th edition staging.

 2003
20031037 Scope of Regional Lymph Node Surgery 2003+/Number of Regional Lymph Nodes Examined--Hematopoietic/Brain/Lymph Nodes/Ill-defined/Unknown: Are codes 9 [Unknown; not stated] and 99 [Unknown; not stated] used respectively for these data items for the mentioned primary sites?

For cases diagnosed Jan 2003 and later:

The Number of Regional Lymph Nodes Examined field is blank for 2003+ cases.

Scope of reg lymph node surgery

Brain, Central nervous system - 9

Hematopoietic, reticuloendothelial, immunoproliferative & myeloproliferative disease - 9

Unknown & ill-defined primary - 9

Lymphomas - 9

 2003
20031036 Histology--Hematopoietic, NOS: When both the path and clinical diagnoses simultaneously reflect reportable diagnoses but one is a worse form of the same disease process, which diagnosis do we code? See Description. Would this case be coded to RAEB or AML? Bone marrow diagnosis: Hypercellular marrow with profound trilinieage dyspoietic changes. Comment: the features are consistent with RAEB. Clinical diagnosis five days later states: Myelodysplastic syndrome, early acute myelocytic leukemia (likely AML).

For cases diagnosed prior to 1/1/2010:When several diagnoses are made as part of the diagnostic process within two months, code the one with the worst prognosis.

Code the case example as acute myelocytic leukemia.

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.

2003
20031035 Reportability/Histology--Hematopoietic, NOS: Does the presence of sideroblasts on a bone marrow biopsy confirm a diagnosis of refractory anemia with sideroblasts?

Final path diagnosis of bone marrow biopsy:

I. Hypercellular marrow for age with trilinear hyperplasia.

II. Decreased iron stores with decreased sideroblasts.

Comment: Although the overall picture is not diagnostic of a specific entity, it is most consistent with an early stage myelodysplastic syndrome which would best be considered refractory anemia at this point.

In this case the percentage of sideroblasts is not stated. Would the path diagnosis of "decreased sideroblasts" along with the path comment of "refractory anemia" indicate that this case should be coded to 9982/3 [Refractory anemia with sideroblasts]?

For cases diagnosed prior to 1/1/2010:

For the hematologic diseases, do not accession the case unless there is a definite positive diagnosis. A positive diagnosis, such as "Refractory anemia" must be stated in order to code that diagnosis. Other words associated with the positive diagnosis, such as "sideroblasts" are NOT to be used alone to assume a diagnosis.

Decreased sideroblasts does not make a diagnosis of Refractory anemia with sideroblasts. The sideroblasts for 9982/3 [Refractory anemia with sideroblasts] are characteristic in rings, and are INCREASED to make the diagnosis.

Based on the information provided, this case is not reportable. The final path diagnosis is not a reportable disease. The comment further states that the overall picture is not diagnostic of a specific entity. Therefore, it should not be reported at this point.

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.

2003
20031034

Histology (Pre-2007)--Kidney, renal pelvis: What codes are used to represent the histologies of 1) "renal papillary (chromophil) carcinoma" and 2) "chromophil renal cell carcinoma?"

For tumors diagnosed prior to 2007:

Code "chromophil" to 8260 [papillary renal cell]. According to our pathologist consultant, in the case of chromophil, most authors regard this as more or less synonymous with papillary renal cell [8260]. "More or less" because papillary is an old term descriptive of the microscopic structure, while chromophil is newer and based on the cytology; because most of the latter are papillary the current usage assumes them to be equivalent.

1) The diagnosis "renal papillary (chromophil) carcinoma" tells us that the pathologist who wrote it was seeing both pattern and cytologic features, and is regarding papillary equivalent to chromophil; thus, code to 8260.

2) Code "chromophil renal cell carcinoma" to 8260.

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.

 2003
20031033 Grade, Differentiation--Hematopoietic: Is this field coded to 6 [B-cell] from a flow cytometry that specifies the percentage of B-cells that exist within the percentage of lymphoid cells in the bone marrow biopsy? See Description. Bone marrow biopsy, Final path diagnosis: consistent with small lymphocytic lymphoma/chronic lymphocytic leukemia. Comment: flow cytometry analysis was performed on bone marrow aspirate. The gated population of lymphoid cells comprises approximately 19% of total nucleated cells. Of these, 53% are B-cells which express CD19, CD22. These findings are consistent with the above diagnosis.

For cases diagnosed prior to 1/1/2010:Yes, assign code 6, B-cell. The flow cytometry analysis confirms B-cell.

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.

 2003
20031032 Diagnostic Confirmation--Hematopoietic, NOS: How should diagnostic confirmation of Hematopoietic diseases be coded in the absence of positive bone marrow? See Description.

Case 1. Patient admitted 9-12-02 with diagnosis of essential thrombocythemia. Per the H&P, patient obviously has had this since January 2001. Per the clinical history: patient with elevated platelets. Path diagnosis of bone marrow biopsy done 9-20-02 showed mildly increased megakaryocytes. 10-31-02 clinical sign-out diagnosis was: essential thrombocythemia.

Case 2. Patient admitted for evaluation of erythrocytosis. Assessment: Increased hematocrit only. It is most likely that patient has polycythemia vera. I think it is reasonable to initiate phlebotomy treatment.

Code 1, Positive histology, includes diagnostic hematologic findings and peripheral blood smears when these are the basis for diagnosis.

When the clinician makes a specific diagnosis and the blood work is not diagnostic, code diagnostic confirmation as 8 [Clinical diagnosis only]. The clinician is putting together all evidence, including the blood work and using his/her professional experience to diagnose the case.

Case 1. The diagnosis is not based on microscopic findings. Assign code 8 [Clinical diagnosis only]. Megakaryocytes are the immature form of thrombocytes, but mildly increased megakaryocytes are not diagnostic of essential thrombocythemia.

Case 2. The diagnosis is not based on microscopic findings. Assign code 8 [Clinical diagnosis only].

 2003
20031031

Reportability/Histology--Hematopoietic, NOS: What histology code is used for a patient diagnosed with "myelodysplasia" prior to 2001, if a bone marrow biopsy in 2002 is consistent with myelodysplastic syndrome with refractory anemia with bilineage dysplasia with excess blasts and the final impression is "myelodysplastic syndrome slowly evolving toward acute leukemia?"

Patient was admitted in July 15, 2002. Per the H&P, patient was diagnosed 5 years ago with myelodysplasia. Patient had bone marrow biopsy about 5 years ago and then again on 6-10-02. Patient has become transfusion dependent since mid-March. Bone marrow on 6-10-02 was consistent with myelodysplastic syndrome with refractory anemia with bilineage dysplasia with excessive blasts. Impression: Myelodysplastic syndrome slowly evolving toward acute leukemia. Plan: start chemo. 7-16-02 bone marrow biopsy showed acute myeloid leukemia.

Can we assume that the myelodysplasia diagnosed 5 years ago was refractory anemia and therefore, patient's first reportable diagnosis would be the AML? Or is the 6-10-02 bone marrow biopsy showing refractory anemia to be the first reportable diagnosis because the term "myelodysplasia" is non-specific?

For cases diagnosed prior to 1/1/2010:

Based on the information provided, the diagnosis date is June 2002. The diagnosis is 9895/3, acute myeloid leukemia with multilineage dysplasia (AML with prior myelodysplastic syndrome). According to the SEER table of hematopoietic diseases, refractory anemia and myelodysplastic syndrome followed by AML is one primary.

Prior to 2001, a diagnosis of myelodysplasia was not reportable.

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.

 2003