XA6S21

ICD-11 MMS 2026-01

Retroperitoneum

Index terms

Retroperitoneum
Retroperitoneal cavity
Periadrenal tissue

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Perinephric tissue
Peripancreatic tissue
Perirenal tissue
Retrocecal tissue
Retroperitoneal tissue

Sibling codes

XA43V8 – Mesentery
XA46W1 – Mesoappendix
XA4QM7 – Mesocolon
XA5PF4 – Pelvic peritoneum
XA6DF7 – Omentum

Foundation entity

Retroperitoneum – http://id.who.int/icd/entity/1070187421

Part of: XA0KZ0: Peritoneum › X: Extension Codes