2021 SEER Manual/Surgery of Primary Site--Lung: What is the correct surgery code for a left upper lobe (LUL) wedge resection (confirming adenocarcinoma) followed by a lingular-sparing LUL lobectomy and mediastinal lymph node dissection? Is the correct Surgery Code 22 since the lingula was not resected (not the whole LUL Lung)? Or should the appropriate surgery code be 33 (this surgery suffices to code to a lobectomy with the mediastinal lymph node dissection)?
Surgery of Primary Site--Corpus uteri: What is the correct surgery code to assign for dilation and curettage (D&C) for an in-situ endometrium (C541) primary? The code to use for the cervix uteri (C530-C539) is specified, but not for the corpus uteri (C540-C549).
First Course Treatment/Neoadjuvant Therapy--Esophagus: Should the Neoadjuvant Therapy data item be coded as 1 or 2 when the patient completes all but one cycle of the planned neoadjuvant therapy and the managing physician notes the patient completed the neoadjuvant therapy? See Discussion.
First Course Treatment/Reason for No Surgery of Primary Site: How should we be coding Reason For No Surgery of Primary Site for cases where surgery was planned but ultimately cancelled due to progression? See Discussion.
First Course Therapy/Surgery of Primary Site--Prostate: What is the correct surgical code for irreversible electroporation ablation of the prostate diagnosed in 2021?
EOD 2018/Heme & Lymphoid Neoplasms--Myeloid Sarcoma: How is Extent of Disease (EOD) Primary Tumor coded for a myeloid sarcoma with multifocal skin involvement? See Discussion.
SEER Manual/Surgery of Primary Site 2023--Breast: What instructions should be followed when the 2023 SEER Manual Appendix C 2023 Breast Surgery Codes advise to code 1 in Surgical Procedure of Other Site for a simple bilateral mastectomy but the 2023 STORE Manual does not. See Discussion.
Diagnostic Confirmation--Leukemia: How is this field coded when the clinician confirms that the diagnosis of CML is based on a combination of the clinical picture and positive cytogenetic studies?
Diagnostic Confirmation--Hematopoietic, NOS: Is a multiple myeloma diagnosed by an FNA of the lumbar spine (or any other non-bone marrow location) a diagnostic confirmation 1 or 2? See Description.