Reportability/Histology-Gallbladder: Is high grade biliary intraepithelial neoplasia of the gallbladder reportable?
High grade biliary intraepithelial neoplasia of the gallbladder is reportable. Assign code 8148/2. It is also known as biliary intraepithelial neoplasia grade 3, or BilIN-3.
First course treatment/Surgery of Primary Site--Skin: How are Surgery of Primary Site and Surgical Procedure of Other Site coded for an eyelid skin primary diagnosed by punch biopsy and treated with an orbital exenteration? See Discussion.
Unlike most other sites, there is no specific code for a radical surgical procedure of a skin primary. In this case, the patient was diagnosed with a sebaceous cell carcinoma of the lower eyelid skin by punch biopsy. The tumor was large and an orbital exenteration was planned. Despite the extensive surgery performed, skin margins were less than 1 cm. Is an orbital exenteration a "major amputation" (code 60) in this case? Given that the margins were not greater than 1 cm, codes 45 - 47 (which includes a minor (local) amputation) don't seem to apply. However, if this procedure cannot be classified as "minor amputation" then doesn't it seem overkill to refer to the procedure as a "major amputation"?
An alternative would be to code Surgery of Primary Site to 32 for the skin resection (punch biopsy followed by a gross excision of the lesion, margins less than 1 cm) and code Surgical Procedure of Other Site to 2 (non-primary surgical procedure to other regional sites) to record the removal of the globe and orbit as part of the orbital exenteration. Which is correct?
There is a similar question in the FORDS forum of the CoC CAnswer Forum. CoC is the curator for the surgery codes.
Surgical Procedure to Primary Site - Gross excision of the lesion, code in 30s series
Surgical Procedure to Other Site (removal of eye) - code 4
Reportability--Brain: Is benign lymphangioma of the brain (9170/0) reportable? It is not on the list of non-malignant blood vessel tumors in the National Program of Cancer Registries Clarifications for Central Nervous System (CNS) tumors.
Lymphangioma of the brain or CNS is not reportable. Lymphangioma is a malformation of the lymphatic system. Even though it has an ICD-O-3 code, do not report it.
MP/H Rules/Histology--Breast: What histology code and MP/H Rule applies to the Histologic Type of "invasive ductal carcinoma with metaplastic stroma" for a single breast tumor? See Discussion.
The patient had a partial mastectomy with final diagnosis of invasive ductal carcinoma with metaplastic stroma. Knowing that metaplastic breast carcinoma has a worse prognosis than other types of breast cancer, is metaplastic stroma a synonym for metaplastic carcinoma when used in this context?
Code to metaplastic carcinoma, 8575/3. According to our expert pathologist consultant, "The term 'metaplastic stroma' implies that at least a portion of the carcinoma has undergone a 'metaplastic' change from epithelial in appearance to 'stromal' in appearance. I assume this is what CAP means by 'Invasive mammary carcinoma with matrix production,' which the WHO equates to metaplastic carcinoma."
First course treatment/Radiation Therapy--Prostate: How do you code fiducial markers for prostate cases?
Do not code fiducial markers as a form of radiation treatment; rather, code the radiation therapy in the radiation treatment section. Fiducial markers are small metal spheres, coils, or cylinders that are placed in or near a tumor to help guide the placement of radiation beams during treatment.
Reportability/MP/H Rules/Histology--Ovary: What is the histology code for an ovarian tumor described as a mucinous borderline tumor, intestinal type?
Mucinous borderline tumor, intestinal type, of the ovary is not reportable. The behavior is /1. There is no applicable histology code for this histology when it ocurs in the ovary.
MP/H Rules/Histology--Sarcoma: What is the appropriate histology code for a final diagnosis of undifferentiated pleomorphic sarcoma and/or pleomorphic sarcoma, undifferentiated? See Discussion.
Does the Other Sites MP/H Rule H17 apply in this case, which results in coding the higher histology 8805/3 (undifferentiated sarcoma)? Or does the "undifferentiated" statement only refer to grade, which results in coding histology to 8802/3 (pleomorphic sarcoma)?
Assign 8802/34 to pleomorphic cell sarcoma/undifferentiated pleomorphic sarcoma. Pleomorphic is more important than undifferentiated when choosing the histology code in this case. Undifferentiated can be captured in the grade code.
Summary Stage 2000--Lymphoma: How is SEER SS2000 coded for an ocular adnexal lymphoma when it extends from the primary site to adjacent sites that are still orbital structures? See Discussion.
In this case, the lymphoma arose in the posterior orbit and the primary site was coded as C696 (orbit, NOS). The mass directly extended to at least one "adjacent" site, the lacrimal gland. Should SS2000 be coded to 1 (localized) or 5 (regional, NOS) when an ocular adnexal lymphoma arises in the posterior orbit and extends to involve the lacrimal gland? Although both the posterior orbit and the lacrimal gland are parts of the orbit, they have separate ICD-O-3 topography codes. Should extension to multiple sites within the orbit be classified as localized disease?
The issue is what constitutes "adjacent" structures for a tumor that arises in the orbit. In an article published by the Indian Journal of Opthamology it states, "According to the Ann-Arbor staging system, lymphoma confined to the orbit is designated as Stage I, involvement of adjacent structures (sinuses, tonsil and nose) makes it Stage II." Does SEER agree with this definition of "adjacent" structures? Or are the lacrimal gland, ciliary body, retina, conjunctiva and/or choroid "adjacent" structures for a lymphoma stated to arise in the posterior orbit?
Assign SEER SS2000 code 5 (Regional, NOS) for a lymphoma of orbit extending to lacrimal gland. In SEER SS2000, this is Stage IIE: Direct extension to adjacent organs or tissues.
First course treatment/Chemotherapy: Is metronomic chemotherapy coded as chemotherapy?
Code metronomic chemotherapy as chemotherapy. Metronomic chemotherapy, also referred to as low-dose metronomic (LDM) chemotherapy, is an emerging cancer treatment approach which administers relatively low doses of traditional chemotherapy drugs over a long period of time and without ‘breaks’ in treatment. By using lower doses this method of treatment minimizes the side effects of traditional chemotherapy.
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