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For tumors diagnosed prior to 2007:

Histology code 8384 is for adenocarcinoma of endocervical type. This specific type (endocervical) must be part of the diagnosis in order to assign code 8384. This histology code is not to be used for Adenocarcinoma, NOS of the endocervix or cervix.

Adenocarcinoma of endocervical type can be diagnosed in other tissues and if so it will be stated as endocervical type. Adenoca of the endocervix would be coded to plain Adenoca.

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.

Code salivary duct carcinoma to invasive ductal carcinoma (8500/3). Salivary duct carcinoma is an aggressive adenocarcinoma which resembles high-grade breast ductal carcinoma according to the WHO Classification of Tumors of Head & Neck.

For cases diagnosed 1998-2003:

Assign extension code 65 for contiguous (direct) extension of tumor from the cervix to the pelvic wall. Assign extension code 85 only if the pelvic wall is involved with discontinuous extension from the cervix; i.e., the cervical tumor spread indirectly (through lymph or vascular channels) to the pelvic wall. Code the pelvic wall involvement in the Extension field and the periaortic lymph node involvement in the Lymph Node field. When the computer does the algorithm, it will look at the periaortic lymph nodes and report the summary stage as distant and the TNM stage group as IV because periarotic nodes are M1. Do not code the periaortic lymph nodes in both fields. This is stage IV, distant disease, due to the periaortic lymph node involvement (EOD lymph nodes code 6).

For cases diagnosed 1998-2002:

Code the Reason for No Cancer-Directed Surgery field to 1 [Cancer-directed surgery was not recommended] for patients who present with either a primary site or histology for which surgery is not a standard treatment. Also use code 1 for those patients who present with distant disease for a primary site that is typically treated surgically. Patients with distant metastasis typically do not have surgery performed as part of first course of treatment.

Code 2 [Contraindicated due to other conditions] is used when surgery would normally be recommended for the site (given the current stage of the tumor) but other medical conditions pose too much of a risk for the patient to undergo surgery.

For cases diagnosed prior to 1/1/2010:

Abstract two primaries: The first is a marginal zone lymphoma of tonsil and the second is a follicular lymphoma of cervical lymph node. According to the Single versus Subsequent Primaries of Lymphatic and Hematopoietic Diseases (the tri-fold chart), marginal zone lymphoma (9699) and follicular lymphoma (9698) are different primaries.

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.

High grade squamous dysplasia (8077/2) is reportable for head and neck sites for cases diagnosed as of 01/01/2021. High grade glandular intraepithelial neoplasia / glandular intraepithelial neoplasia grade III (8148/2) and high grade squamous intraepithelial neoplasia / squamous intraepithelial neoplasia grade III (8077/2) are reportable for head and neck sites for cases diagnosed as of 01/01/2001. Refer to other standard setters’ criteria for reportability as appropriate.

For cases diagnosed 1998-2003:

Per AJCC, code spleen involvement which is demonstrated by:

1. Unequivocal palpable splenomegaly alone.

2. Equivocal palpable splenomegaly with radiologic confirmation (ultrasound or CT).

3. Enlargement or multiple focal defects that are neither cystic nor vascular (radiologic enlargement alone is inadequate).

If the spleen is proven to be involved, code extension for this case as 20 [Involvement of two or more lymph node regions on the same side of the diaphragm; Stage II].

If the spleen is not proven to be involved, code extension as 10 [Involvement of a single lymph node region; Stage I].

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

Code the histology to 9823/3 [chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL)] per Rule PH15. Code the histology to the non-Hodgkin lymphoma (NHL) with the numerically highest ICD-O-3 code when two or more NHLs are present in the same present in the same lymph node(s) or lymph node region(s), tissue(s), organ(s), or bone marrow. Both follicular lymphoma [9690/3] and SLL [9823/3] are types of NHL. Therefore, the histology is coded to 9823/3.

This composite histology represents a single primary per Rule M4. The rule states to abstract a single primary when two or more types of non-Hodgkin lymphoma are simultaneously present in the same anatomic location(s), such as the same lymph node or lymph node region(s), the same organ(s), and/or the same tissue(s).

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.

Assign C211 for anal verge. Anal verge is defined as the lower (distal) end of the anal canal, junction between the skin of the anal canal and the perianal skin, http://www.seer.cancer.gov/manuals/2015/AppendixC/rectosigmoid/coding_guidelines.pdf