Chemotherapy--Hematopoietic, NOS: What treatment code is used to represent the drug "Gleevec" being used to treat chronic myelogenous leukemia?
For cases diagnosed 1/1/2003 and after: Code the Chemotherapy field to 02 [Single-agent chemotherapy administered as first course therapy]. It should be classified as a chemotherapy agent, albeit a unique one. Gleevec seems to work the same way many other chemo drugs do. It disrupts cell division for malignant cells containing the BCR-ABL protein only, rather than for normal and abnormal cells together. When the cells can't divide and create a new generation, they simply die. This meets the definition of an antineoplastic chemotherapy agent.
Immunotherapy/Radiation Therapy: Is I-131 labeled immunoglobulin coded as immunotherapy or radiation therapy?
Code treatment with I-131 labeled immunoglobulin as radiotherapy. The primary action is radiotherapeutic. Radioimmunotherapy (RIT) uses antibodies to deliver the radiotherapy to the site of the tumor.
EOD-Lymph Nodes/TNM--Breast: Do we code these lymph nodes fields for a breast primary that describes ipsilateral axillary lymph node involvement as "extending through the lymph node capsule and into perinodal soft tissue/fat" as "fixed/matted"?
For cases diagnosed 1998-2003:
Code the EOD-Lymph Nodes field to 6 [Axillary regional lymph nodes, NOS], if the size of the metastasis within the lymph node is not known. "Extension into perinodal soft tissue" does not imply that the lymph nodes are fixed to one another or to other structures. AJCC stage for lymph nodes is coded to N1 [Metastasis to moveable ipsilateral axillary lymph nodes].
In order to code the EOD-Lymph Nodes field to 5 [Fixed/matted ipsilateral axillary nodes] which is the equivalent to AJCC equivalent N2, there must be some clinical or pathologic statement of fixation or matting. There can be extension through the capsule without fixation or matting. "Fixation" is a clinical term and "matting" can be either clinical or pathologic. A pathologist can recognize two or more lymph nodes stuck together by tumor.
Reportability: Is a "pleomorphic hyalinizing angiectatic tumor of soft parts (PHAT)" reportable if the case has a TNM stage assigned and is stated by the pathologist to be a rare intermediate grade sarcoma?
Pleomorphic hyalinizing angiectatic tumors of the soft parts are not reportable.
According to our pathologist consultant, PHAT is a borderline malignancy (/1). While the true nature of these tumors is under debate (reactive vs. neoplastic), so far none have metastasized.
Reportability/Ambiguous Terminology--Esophagus: Is a case with a biopsy diagnosis of "... focal areas suspicious for adenocarcinoma in situ change" reportable if the diagnosis on the partial esophagectomy specimen only includes the phrase "... with foci of high grade dysplasia; no invasive carcinoma identified"?
The case is not reportable.
The biopsy with a suspicious result (suspicious for adenocarcinoma) was disproven by the esophagectomy.
MP/H Rules/Histology--Lung: Per SINQ 20110115, why is micropapillary adenocarcinoma of the lung coded to 8260 [papillary adenocarcinoma] rather than 8050 [papillary carcinoma]?
The histology codes for lung tumors are based on the World Health Organization Classification of Lung Tumors. Chart 1 in the MP/H Lung Equivalent Terms, Definitions, Charts, Tables and Illustrations (2007 MP/H Rules Manual) illustrates the WHO Classification of Lung Tumors.
Using Chart 1, note that papillary adenocarcinoma [8260] is located under the Adenocarcinoma (NOS) branch. The histology in question was stated to be "micropapillary adenocarcinoma" and not "papillary carcinoma." Papillary carcinoma, NOS [8050] is not actually located on the chart. However, papillary squamous cell carcinoma is listed under the Squamous Cell Carcinoma, NOS branch, histology code 8052.
Next, look up papillary carcinoma [8050] in the Morphology - Numerical listing section of the ICD-O-3. Papillary carcinoma, NOS is a Squamous Cell Neoplasm. (Refer also to SINQ 20091040.)
The key word used to determine the appropriate histology in this case is "adenocarcinoma." This is a papillary adenocarcinoma and not a papillary squamous neoplasm.
Primary site--Heme &Lymphoid Neoplasms: What is the primary site of two extraosseous plasmacytomas, with positive pathology of right orbit and left lung. The patient's bone marrow biopsy, flow, and peripheral blood smear were negative. Is this coded as 9732/3, multiple myeloma (Primary Site and Histology Rule PH2) with the primary site as C809 (PH27)? Or is the primary site C421 since code 9732 says primary site is always C421, though bone marrow came back as negative?
Assign the primary site to C421 since that is the only allowable primary site for plasma cell myeloma, even though the bone marrow was negative. According to the revised criteria from the WHO Blue Book for Hematopoietic and Lymphoid Neoplasms (2017), the presence of multiple plasmacytomas is plasma cell myeloma (9732/3).
First Course of Cancer-Directed Therapy--All Sites: How do we code retinoic acid?
The code for retinoic acid depends upon the primary site and histology of the tumor. Code retinoic acid (also called Vitamin A, tretinoin, ATRA, all-transretinoic acid or Vesanoid) in the Immunotherapy field as 01 [Immuno administered as first course therapy] for acute promyelocytic leukemia. This drug is given to patients as an alternative to chemotherapy.
For all other sites/histologies, code retinoic acid in the Other Cancer-Directed Therapy Field. Use code 2 [Other experimental cancer-directed therapy] or 3 [Double-blind clinical trial, code not yet broken] if the drug is given as part of a protocol. If the drug is not being given as part of a protocol or you don't know whether it is part of a protocol, use code 1 [Other cancer-directed therapy].
EOD-Extension: General instructions, page 7, note 3 states: " Extent of disease information obtained after treatment with neoadjuvant chemotherapy, hormone or immunotherapy has begun may be included." Because the SEER manual does not mention radiation treatment, can we use information from a lobectomy to code EOD if a patient has neoadjuvant radiation therapy?
Radiation therapy was inadvertently omitted from the list. Please see SINQ 20031012 answer as to when the surgical information can be used to stage the case.
EOD-Extension--Meninges: How do you code extension for a malignant meningioma that invades into the adjacent brain tissue?
For cases diagnosed 1998-2003:
Code the EOD-Extension field to 60. Code 60 is defined as a brain tumor that extends into the meninges. It is also the appropriate code to use for a tumor that extends from the meninges to the brain.
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