C483-char group
Malignant neoplasm of retroperitoneum and peritoneum
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: Kaposi sarcoma (C46.1) mesothelioma (C45.-)