MP/H Rules/Histology--Breast: What histology code is used for a single tumor, micropapillary carcinoma with components of mixed ductal and lobular carcinoma?
For cases diagnosed 2007 or later, use rule H16 and assign code 8522 [Duct and lobular carcinoma].
Micropapillary is specific duct type (see Table 1).
Ambiguous terminology: Is the phrase "malignancy is highly considered" reportable given that the phrase "considered to be malignant" is reportable per SINQ 20061094?
"Malignancy is highly considered" is not a reportable ambiguous term.
Diagnoses qualified by the phrase "considered to be malignant" are reportable because this phrase is interpreted as "This diagnosis is malignant."
Radiation Therapy--Breast: If hospital records indicate that a mammocyte intracavitary radiation therapy device was placed in the breast, but there is no follow-up documentation of radiation actually being given, should we code radiation 2 (implants) or 8 (recommended, unknown if given)?
Assign code 8 [recommended, unknown if administered]. Check this case periodically, and others coded 8. Update if further information becomes available.
Reportability/Histology--Gallbladder: Is Intracholecystic papillary neoplasm (ICPN) with low-grade intraepithelial neoplasia reportable? The primary site is gallbladder.
Intracholecystic papillary neoplasm (ICPN) with low-grade intraepithelial neoplasia is not reportable. The WHO assigns a behavior of 0 to these neoplasms.
Multiple Primaries--Lymphoma: How many primaries are abstracted for a patient with a 1995 periaortic lymph node biopsy showing lymphocytic lymphoma, diffuse small cleaved probable intermediate grade B cell positive, followed by stomach biopsies on 6/18/05 showing diffuse large B cell lymphoma and on 6/24/05 showing malignant lymphoma, tumor cells positive for [CD20] B cell respectively?
For cases diagnosed prior to 1/1/2010:There are two primaries:
Lymphocytic lymphoma, diffuse, intermediate in 1995
Diffuse large B-cell lymphoma in June, 2005
According to the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases table, 9673 [Malignant lymphoma, lymphocytic, diffuse, intermediate] and 9680 [Malignant lymphoma, large B-Cell, diffuse] are separate primaries. Again, according to the table, 9680 [Malignant lymphoma, large B-Cell, diffuse] and 9591 [Malignant lymphoma, non-Hodgkin, NOS] are the same primary.
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.
MP/H Rules/Histology--Gallbladder: What histology is coded for a tumor described as "90% high grade neuroendocrine ca, large cell type; and 10% low grade adenocarcinoma, conventional type"?
For cases diagnosed 2007 or later:
MP/H Rule H17 for Other Sites applies. Code the histology 8140 [adenocarcinoma].
The ICD-O-3 code for large cell neuroendocrine carcinoma is 8013 and the code for adenocarcinoma is 8140.
Reportability--Skin: Effective 2021, a cutaneous leiomyosarcoma is a related term for smooth muscle tumor, NOS (8897/1) in ICD-O-3.2. Currently, we have been capturing these as a C44_ (leiomyosarcoma, 8890/3) but the 2019 SEER inquiry states that atypical intradermal smooth muscle neoplasm (AISMN) was previously termed cutaneous leiomyosarcoma. This is not documented on the 2018 ICD-O-3 updates. Should this 2019 case be 8897/1 or 8890/3?
Cutaneous leiomyosarcoma is reportable for 2019. Code histology to leiomyosarcoma 8890/3.
As of cases diagnosed 1/1/2021, it is no longer reportable based on assignment to 8897/1 in ICD-O-3.2.
First course treatment--Prostate: If a patient has a prostatectomy and the margins are positive, then several months later radiation is given because the PSA levels never decreased or have risen, is the radiation coded as first course of treatment or subsequent treatment?
Record the radiation as first course of treatment even though it was delayed for several months.
Radiation is highly effective when there is a small or microscopic amount of tissue left at the margin following prostatectomy. In most regions, radiation therapy is the standard of care for positive margins at prostatectomy.
Surgery of Primary Site--Bladder: Should a TURB be coded to 27 [Excisional biopsy; SEER Note: Code TURB as 27] when there is obvious extravesicular extension demonstrated because the 2004 SEER Manual states "Do not code an excisional biopsy when there is macroscopic residual disease"?
Assign code 27 [excisional biopsy]. The site-specific instructions have priority over the general instructions. According to the instructions for coding surgery of the bladder, use code 27 for TURB.
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