Retroperitoneum
- 0WCH0 - Open
- 0WCH0Z
- 0WCH0ZZ - Extirpation Retroperitoneum to No Qualifier with No Device, Open Approach
- 0WCH3 - Percutaneous
- 0WCH3Z
- 0WCH3ZZ - Extirpation Retroperitoneum to No Qualifier with No Device, Percutaneous Approach
- 0WCH4 - Percutaneous Endoscopic
- 0WCH4Z
- 0WCH4ZZ - Extirpation Retroperitoneum to No Qualifier with No Device, Percutaneous Endoscopic Approach
- 0WCHX - External
- 0WCHXZ
- 0WCHXZZ - Extirpation Retroperitoneum to No Qualifier with No Device, External Approach