EOD-Clinical Extension--Prostate: Is this field coded to 15 [Tumor identified by needle biopsy for elevated PSA] when it is unknown whether or not a TRUS was done? See Description.
Patient was admitted for radiation therapy for prostate cancer. H&P states that patient had elevated PSA. PE showed benign feeling prostate. Stage is clinical T1c. There is no mention of whether or not TRUS had been done.
For cases diagnosed 1998-2003: EOD extension code 15 is correct for this case example. When there is no other documentation available, the AJCC stage may be used to determine extension.
Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Breast: How many primaries are coded and what code(s) is/are used to represent the histology "invasive ductal carcinoma with extensive spindle metaplastic change [metaplastic carcinoma] with a second, separate, tumor "invasive ductal carcinoma, moderately differentiated with extensive associated DCIS"? See Description.
The comment on the pathology report states, "due to the associated DCIS this smaller lesion is felt to most likely represent a synchronous second primary." Is this two primaries, one coded 8575/33 and the other coded 8500/32 or is this a single primary with a combination code -- 8523/33?
For tumors diagnosed prior to 2007:
Abstract as two breast primaries. Code to 8575/33 (metaplastic carcinoma) and 8500/32 (infiltrating duct carcinoma). There are two lesions with different histologic types.
Do not use code 8523 to combine separate tumors with different histologies.
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.
EOD-Pathologic Extension--Prostate/Lymphoma: How is this field coded for a prostatic lymphoma?
For cases diagnosed 1998-2003: Do not code the prostate pathologic extent of disease field for prostatic lymphoma. Leave the path extension for prostate field blank. Code the extent of disease using the lymphoma scheme. Use ONLY the lymphoma scheme - do NOT try to code both lymphoma and prostate extension fields for prostatic lymphoma.
Primary Site--Pancreas: Should tumors with the histology "islet cell carcinoma" be coded C25.4 [Islet of Langerhans] even though the tumor location is stated to be in head of pancreas?
Assign code C25.4 [Islets of Langerhans...Endocrine pancreas]. Islet cell carcinoma of the pancreas is a tumor of the endocrine pancreas. Although Islet cells are present throughout the pancreas, the best code is C25.4 to distinguish endocrine from exocrine cancers.
CS Extension/Polyp--Colon: How is CS extension coded for tumor invasion described as "Haggitt level 4"? See Description.
Polypectomy specimen revealed adenocarcinoma of the rectum in a tubulovillous adenoma. Per path extent of invasion was Haggitt level 4. The micro description of the tumor stated that there was malignant epithelial neoplasm in colonic mucosa.
In a 1985 Gastroenterology journal article, Haggitt described five levels of polyp invasion:
Level 0-confined to mucosa
Level 1-head
Level 2-Neck
Level 3-Stalk
Level 4-Submucosa of underlying colonic wall.
For cases diagnosed 2004 and forward:
Use the best information available to code CS extension. The following conversion may be used when the only information available is the Haggitt level.
EOD-Extension--Thyroid: Is this field coded as involvement of the thyroid capsule if the thyroidectomy path specimen reveals papillary thyroid ca "tumor present within capsular blood vessels?"
For cases diagnosed 1998-2003: Tumor present within the blood vessels of the thyroid capsule is localized (extension code 30). The tumor has not penetrated the capsule itself if it is contained within the blood vessels.
Keep in mind that tumor size determines the extent of disease for thyroid extension codes 10, 20, 30 and 40.
EOD-Pathologic Review of Number of Lymph Nodes Positive and Examined: How are nodes positive/examined coded for a positive FNA of a lymph node followed by a subsequent lymph node dissection? See Description.
A breast cancer patient had a FNA of an axillary lymph node positive for metastases. A modified radical mastectomy with lymph node dissection showed six lymph nodes negative for metastases.
Example 1: Patient received neoadjuvant chemotherapy prior to mastectomy and lymph node dissection.
Example 2: Patient received no neoadjuvant therapy.
For cases diagnosed 1998-2003, the number of Regional Nodes Positive and Examined include all nodes examined by the pathologist, unless there is disease progression. In other words, these fields are cumulative. An FNA alone, positive for regional lymph node metastasis is coded as 97 for number positive and 95 for number examined. 1 & 2. Assuming there has been no disease progression, include all nodes positive and all nodes examined from both the FNA and the lymph node dissection in the counts. Case example: Code number of regional nodes positive as 01, number examined as 07.
Primary site--Melanoma: Should melanoma of the nipple be coded to C50.0 [Nipple] or C44.5 [Skin of the trunk]?
Code to C44.5 [skin of trunk]. External melanoma is an epidermal malignancy, beginning in melanocytes in the basal layer of the epidermis. C50.0 excludes skin of breast.
Multiple Primaries/Histology--Hematopoietic, NOS/Lymphoma: How many primaries are represented and what are the histologies for "B-cell lymphoma with immunophenotypic findings consistent with hairy cell leukemia" found on a bone marrow biopsy? See Description.
Pathologist completed AJCC lymphoma staging form indicating this case should be abstracted as a lymphoma.
For cases diagnosed prior to 1/1/2010:Abstract as one primary, 9591/3 [B-cell lymphoma, NOS]. The bone marrow diagnosis indicates that the main/definite diagnosis is B-cell lymphoma, with a lesser indication of hairy cell leukemia. Both of these are mature B-cell neoplasms according to the WHO histological 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.
First-Course of Cancer-Directed Therapy Fields/Hematopoietic, NOS: How do you code treatment for a myelodysplastic syndrome when a patient is admitted to receive a "second transfusion 7 months after diagnosis"?
The first course of treatment for these hematopoietic primaries lasts until there is a treatment change. For the case you cite the second transfusion (7 months after diagnosis) would be first course treatment. Code the Other Cancer-Directed Therapy Field to 1 [Other cancer-directed therapy].
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