 
| PCS-2023 > 0 > 0W > 0WH > 0WHH | 
| 0WH | Anatomical Regions, General, Insertion | |
| Info: | Insertion: Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part | |
| 0WHH | Insertion, Retroperitoneum | |
| 0WHH0 | Open | |
| 0WHH01 | Radioactive Element | |
| 0WHH01Z | Insertion of Radioactive Element into Retroperitoneum, Open Approach | |
| 0WHH03 | Infusion Device | |
| 0WHH03Z | Insertion of Infusion Device into Retroperitoneum, Open Approach | |
| 0WHH0Y | Other Device | |
| 0WHH0YZ | Insertion of Other Device into Retroperitoneum, Open Approach | |
| 0WHH3 | Percutaneous | |
| 0WHH31 | Radioactive Element | |
| 0WHH31Z | Insertion of Radioactive Element into Retroperitoneum, Percutaneous Approach | |
| 0WHH33 | Infusion Device | |
| 0WHH33Z | Insertion of Infusion Device into Retroperitoneum, Percutaneous Approach | |
| 0WHH3Y | Other Device | |
| 0WHH3YZ | Insertion of Other Device into Retroperitoneum, Percutaneous Approach | |
| 0WHH4 | Percutaneous Endoscopic | |
| 0WHH41 | Radioactive Element | |
| 0WHH41Z | Insertion of Radioactive Element into Retroperitoneum, Percutaneous Endoscopic Approach | |
| 0WHH43 | Infusion Device | |
| 0WHH43Z | Insertion of Infusion Device into Retroperitoneum, Percutaneous Endoscopic Approach | |
| 0WHH4Y | Other Device | |
| 0WHH4YZ | Insertion of Other Device into Retroperitoneum, Percutaneous Endoscopic Approach | |
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