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Report Produced: 03/13/2026 06:47 AM

Report Question ID Question Discussion Answer Year
20100018 Reportability/Heme & Lymphoid Neoplasms--Hematopoietic, NOS: Is light chain disease reportable if it is treated with chemotherapy agents? See Discussion.

A patient was diagnosed in 2010 with light chain disease based on SPEP and urine testing. Bone marrow aspiration and biopsy were done. Flow cytometry, cytogenetic studies and FISH for plasma cell disorders are all normal. Medical oncologist states diagnosis is light chain disease. Patient was started on Revlimid, dexamethasone and Velcade.

In reviewing the case reportability instructions, this seems to fall under Instruction 1, note 1. Immunoglobulin deposition disease, preferred term for light chain disease, is coded as 9769/1. This is normally a non-reportable diagnosis, but the patient was given cancer-directed treatment. Would this case be accessioned using the above morphology code and primary site of bone marrow [C42.1]?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

This case is not reportable. The histology is 9769/1 [light chain disease] in the Heme DB.

Light chains are produced in neoplastic plasma cells (multiple myeloma) and are called Bence-Jones proteins. The physician did the cytogenetic studies and FISH to rule out plasma cell disease. 50-60% of people with Light-chain deposition disease (LCDD) have an associated lymphoproliferative disorder, most commonly multiple myeloma. The remaining patients develop LCDD in the setting of progression of monoclonal gammopathy of unknown significance (MGUS) with no evidence of neoplastic plasma cell proliferation. This patient falls in this category, MGUS, which is not reportable.

2010
20051129 Reportability/Behavior--Thyroid: Does the term "invasion" indicate the presence of a malignant tumor? See Discussion. Left thyroid lobectomy showed microfollicular neoplasm with evidence of minimal invasion. Micro portion of path report stated, "The capsular contour is focally distorted by a finger of the microfollicular nodule which appears to penetrate into the adjacent capsular and thyroid tissue."

We recommend that you contact the pathologist for further information. If no further information is available, do not accession this case based on the information provided. There is no definitive statement of malignancy.

If the case was sent to a consultant, there may be another opinion available. If there is information in the record, or the treating physician can be contacted, find out whether the tumor was benign or malignant and whether there was any further treatment.

According to our pathologist consultant, based only on the information above and nothing else, do not report since there is no diagnosis of malignancy.

 2005
20120091 Reportability/Behavior--Kidney: Is epithelioid angiomyolipoma (AML) of the kidney a reportable malignancy? See Discussion. The addendum final diagnosis on a pathology report for a kidney core needle biopsy included the results of additional stains performed on the tissue. It indicated the morphology was most consistent with epithelioid angiomyolipoma. Further comments in the body of the report indicate these tumors are now considered malignant neoplasms with the capacity to be locally aggressive and they can potentially metastasize. There is no mention of a metastasis in this particular case.

Epithelioid angiomyolipoma (AML) [8860/0] of the kidney is not reportable unless stated to be malignant.

If the pathologist confirms this is a malignancy, apply ICD-O-3 Rule F (Matrix principle) and assign the behavior code /3. If confirmation is received, accession the case using the morphology code 8860/3 [malignant angiomyolipoma].

2012
20061104 Reportability/Behavior--Hematopoietic, NOS: Is a "myelodysplastic/myeloproliferative disease, unclassifiable" coded to 9975 with a behavior code of 3 as indicated in the WHO blue book on "Tumours of Haematopoietic and Lymphoid Tissues" or is it not abstracted because it has a behavior code of 1 which means the case is not reportable?

For cases diagnosed prior to 1/1/2010:Code MDS/MPD U to 9975/3 [Myelodysplastic/myeloproliferative disease, unclassifiable]. Change the behavior code to /3 according to ICD-O-3 Rule F. The case is reportable.

The WHO book is more recent and gives a specific code for this new hybrid category of the WHO/REAL classification.

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.

 2006
20051073 Reportability/Behavior--Colon: Is a final diagnosis of "mucosal carcinoid" of the colon reportable with a behavior code 2 [in situ] or 3 [invasive] if the microscopic description states that a "malignancy is not appreciated"? See Discussion.

2002 carcinoid case. Path final diagnosis: sigmoid colon polyp, bx-- sm mucosal carcinoid (1.5mm) w/crush artifact in a colonic polyp showing assoc inflammatory and hyperplastic changes. Micro: due to prominent crush artifact, histologic detail is compromised; however, significant atypia or malignancy is not appreciated.

Our state registry requests that this case be abstracted using the histology code 8240/3 because it is a mucosal carcinoid.

AJCC states TIS as being confined w/i basement membrane w/no extension through muscularis mucosae into submucosa. SEER-EOD codes as invasive: mucosa, lamina propria and muscularis mucosae. Our pathologist goes along with AJCC while we are having to code with SEER rules.

1) Assign /3 to mucosal carcinoid, unless stated to be in situ in the final diagnosis. ICD-O-3 is the reference for assigning the behavior code, not AJCC, EOD or CS.

2) The ICD-O-3 code for carcinoid of the sigmoid colon is C187 8240/3. This is reportable to SEER based on the final diagnosis above. Use the histology stated in the final diagnosis.

 2005
20051032 Reportability/Behavior--Brain and CNS: How is a brain "neoplasm" diagnosed only by CT scan reported to SEER? See Discussion. We have a significant number of patients who come into our emergency room and are diagnosed with a brain neoplasm by CT scan. They are transferred to another facility for further care. Some of those facilities will give us information - histology, treatment, etc. Some will not. How are we supposed to report these brain neoplasms if we don't know if they are benign or malignant? Can we report them as behavior code 9 or do we just report them as benign if we can't get any further information? The case above is reportable and 8000/1 is the most appropriate histology/behavior code. A clinical diagnosis alone from diagnostic imaging reporting a brain 'neoplasm' (with a diagnosis date supporting the reportable case requirements) even with no other information available (from biopsy or resection) is reportable. Care should be taken when reviewing terms used by the radiologist on these reports, since some tumors exhibit defining characteristics that can be picked up on diagnostic imaging. 2005
20031009 Reportability/Behavior Code--Soft Tissue: Is a final diagnosis of a forearm mass diagnosed as "Angiomatoid malignant fibrous histiocytoma [see note]" reportable? The NOTE reads "Angiomatoid malignant fibrous histiocytoma is a low grade borderline lesion with a tendency for local recurrence, but a very low potential for distant metastases." Is behavior /1 or /3? Angiomatoid malignant fibrous histiocytoma is reportable with a behavior code of /3 according to ICD-O-3. The Final Diagnosis takes precedence over the "note." 2003
20021213 Reportability/Behavior Code--Bone Marrow: Is T-cell large granular lymphocytic leukemia SEER reportable? Pages 102, 147, 156, 160-162 and 167 of the ICD-O-3 list it as 9831/1, but on page 17 this is listed as 9831/3.

For cases diagnosed prior to 1/1/2010:T-cell large granular lymphocytic leukemia [9831] is a very indolent form of leukemia. It was assigned a behavior code of 1 by the editors of ICD-O-3 (as noted on pages 102, 147, 156 160-162, and 167 of the ICD-O-3 manual). The table on page 17 is the World Health Organization list of hematopoietic and lymphoid tumors. WHO recognizes TCLGLL as a malignancy. The disease is infrequently symptomatic enough to be diagnosed. However, when any of the terms listed with code 9831 are described as malignant or aggressive, report to SEER as a malignancy with a behavior code of /3.

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.

 2002
20091103 Reportability/Ambiguous Terminology--Prostate: Is a prostate biopsy that states "highly suspicious for, but not diagnostic of adenocarcinoma, suggest another biopsy" reportable? Do not report. "Not diagnostic of" means that while the pathologist is seeing some features that resemble cancer, there are not enough features to feel comfortable making an unquestionable diagnosis. Watch for another biopsy of the patient in the next 3-6 months. The statement "not diagnostic of" overrules the "highly suspicious" statement. 2009
20130140 Reportability/Ambiguous terminology--Heme & Lymphoid Neoplasms: Is a peripheral blood sample with an immunophenotype that is "characteristic of B-cell chronic lymphocytic leukemia" reportable?

For cases diagnosed 2010 and forward, access the Hematopoietic Database at http://seer.cancer.gov/seertools/hemelymph.

This is a reportable diagnosis of chronic lymphocytic leukemia [9823/3]. The physician is using the terms "characteristic of" in the same manner as he/she would use the terms "diagnostic of."

This case fits with the usual diagnosis of CLL. The peripheral blood is diagnostic for leukemias. There was a specific leukemia noted, B-cell chronic lymphocytic leukemia. CLL (B-cell is the phenotype) is usually diagnosed incidentally by a peripheral smear because it is asymptomatic. However, we recommend looking for further work-up, such as a bone marrow biopsy.

SEER*Educate provides training on how to use the Heme Manual and DB. If you are unsure how to arrive at the answer in this SINQ question, refer to SEER*Educate to practice coding hematopoietic and lymphoid neoplasms. Review the step-by-step instructions provided for each case scenario to learn how to use the application and manual to arrive at the answer provided. https://educate.fhcrc.org/LandingPage.aspx.

2013