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For tumors diagnosed prior to 2007:

Code histology as 8253 [Bronchiolo-alveolar carcinoma, mucinous]. Mucin-producing bronchoalveolar carcinoma is best classified in ICD-O-3 as Bronchiolo-alveolar carcinoma, mucinous.

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.

For cases diagnosed prior to 1/1/2010:Without further information, the term "myelodysplasia" alone is not reportable. If a more definitive diagnosis is made later, the case may become reportable.

For cases diagnosed 1/1/10 and later, 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.

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

Code histology to 9811/3 [B lymphoblastic leukemia/lymphoma, NOS].

See the Abstractor Notes section in the Heme DB, when determining how to code histology for a case. It indicates the code 9811/3 is effective for cases diagnosed 2010 and forward. The 9836/3 is listed as obsolete and refers you to code 9811/3. Make sure to check for a specific subtype of B lymphoblastic leukemia/lymphoma [9812/3 - 9818/3] before assigning the NOS code [9811/3].

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.

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

No. Polycythemia, NOS is not reportable.

Polycythemia (also known as polycythaemia or erythrocytosis) is a disease state in which the proportion of blood volume that is occupied by red blood cells increases. Blood volume proportions can be measured as hematocrit level. It can be due to an increase in the mass of red blood cells, "absolute polycythemia"; or to a decrease in the volume of plasma, "relative polycythemia".

The phlebotomy is a treatment for the excessive blood volume; therefore, a diagnosis of "polycythemia" without one of the modifying terms listed in the Heme DB under Alternative Names is not reportable.

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.

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).

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

Code the primary site to the sigmoid colon [C187] per Rule PH24. Code the primary site to the organ when lymphoma is present only in an organ. Based on the information provided, the lymphoma is present only in the sigmoid colon.

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.

Malignant perivascular epithelioid cell tumor (PEComa) is reportable because it is malignant. Assign 8005/3 to malignant PEComa.

We consulted an ICD-O-3 expert who explained that some PEComas such as angiomyolipoma and lymphangiomyomatosis have specific ICD-O codes and their malignant counterparts may be coded to 8860/3 and 9174/3 respectively. There are no separate ICD-O codes for other specific PEComas, e.g., clear cell “sugar” tumor of lung, clear cell myomelanocytic tumor of the falciform ligament and some “unusual” clear cell tumors occurring in other organs—or for PEComa, NOS. These PEComas may therefore be coded to 8005 as clear cell tumors NOS; in other words as clear cell tumors that are not clear cell variants of carcinomas, sarcomas, or other specific tumor type.

Please note, PEComa is non-specific as to behavior. Unless the pathologist states that it is malignant, (as was the case for this question), the default code is 8005/1 (non-reportable).

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

Per Rule PH28, code histology to 9650/3 [Classical Hodgkin lymphoma]. This rule states to code the non-specific (NOS) histology when the diagnosis is one non-specific (NOS) histology and two or more specific histologies.

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. http://seer.cancer.gov/seertools/hemelymph.

Intramucosal carcinoma of the colon is assigned behavior code of /3. Intramucosal is not the same as in situ in terms of behavior. Behavior and staging are separate concepts, although there is some overlap. Use the instructions for coding behavior to code this field. Do not use stage to determine behavior in this case.

For purposes of Summary Stage, intramucosal carcinoma is a localized lesion; however, for purposes of AJCC staging, assign Tis for the stage.

Report intracholecystic papillary neoplasm (ICPN) with high-grade dysplasia (8503/2) of the gallbladder.