2023-07-14 Endometrioid Adenocarcinoma and Endometrial Adenocarcinoma

Scenario: 2023 Diagnosis of Endometrial Cancer

• Biopsy+ endometrial adenocarcinoma

Question: How would you code histology? [multiple choice below, choose one answer]

• 8140 Adenocarcinoma
• 8380 Endometrioid Adenocarcinoma, NOS

Answer: 8380 Endometrioid Adenocarcinoma

Rationale: Noticed that the term 8140 Adenocarcinoma is not in Table 16: Uterine Corpus Histologies, so submitted the question to AskSEERCTR. They responded back.

From: AskSEERCTR <askseerctr@imsweb.com>

Yes, endometrial and endometrioid are synonyms. Endometrial adenocarcinoma is not recommended or preferred terminology. Endometrioid and endometrial adenocarcinoma are coded 8380/3.