Diseases of peritoneum

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

The peritoneum is the serous membrane that forms the lining of the abdominal cavity and covers most of the intra-abdominal organs.

sections/codes in this section (DC50-DC5Z)

• Neoplasms of peritoneum or retroperitoneum
• Peritonitis  (DC50)
• Certain specified disorders of peritoneum or retroperitoneum  (DC51)
• Diseases of peritoneum, unspecified  (DC5Z)

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