World Health Organization · 2026-01 · English
2C53 Malignant neoplasm involving overlapping sites of retroperitoneum, peritoneum or omentum
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
2C53.0Adenocarcinoma involving overlapping sites of retroperitoneum, peritoneum or omentum2C53.1Mesothelioma involving overlapping sites of retroperitoneum, peritoneum or omentum2C53.YOther specified malignant neoplasm involving overlapping sites of retroperitoneum, peritoneum or omentum2C53.ZMalignant neoplasm involving overlapping sites of retroperitoneum, peritoneum or omentum, unspecified© World Health Organization · CC BY-ND 3.0 IGO