2C50 Malignant neoplasms of retroperitoneum
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01
A primary or metastatic malignant neoplasm involving the retroperitoneum. The vast majority of cases are carcinomas, lymphomas, or sarcomas.
exclusions
- Malignant neoplasms of omentum (2C52)
- Malignant neoplasms of peritoneum (2C51)
- Malignant mesenchymal neoplasms (2B50-2B5Z)
sections/codes in this section ()
- Cystic, mucinous or serous carcinoma of retroperitoneum (2C50.0)
- Other specified malignant neoplasms of retroperitoneum (2C50.Y)
- Malignant neoplasms of retroperitoneum, unspecified (2C50.Z)
postcoordination
Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.
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