2C51 Malignant neoplasms of peritoneum

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

exclusions

• Abdominal carcinomatosis  (2E0Y)
• Malignant neoplasm metastasis in peritoneum  (2D91)
• Malignant mesenchymal neoplasms  (2B50-2B5Z)
• Malignant neoplasms of retroperitoneum  (2C50)
• Malignant neoplasms of omentum  (2C52)

sections/codes in this section ()

• Adenocarcinomas of peritoneum  (2C51.0)
• Cystic, mucinous or serous carcinoma of peritoneum  (2C51.1)
• Mesotheliomas of peritoneum  (2C51.2)
• Other specified malignant neoplasms of peritoneum  (2C51.Y)
• Malignant neoplasms of peritoneum, unspecified  (2C51.Z)

postcoordination

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