| 3 Administration | |||
| E Physiological Systems and Anatomical Regions | |||
| 1 Irrigation : Putting in or on a cleansing substance | |||
| Body System / Region | Approach | Substance | Qualifier |
| Character 4 | Character 5 | Character 6 | Character 7 |
| 0 Skin and Mucous Membranes C Eye | 3 Percutaneous X External | 8 Irrigating Substance | X Diagnostic Z No Qualifier |
| 9 Nose B Ear F Respiratory Tract G Upper GI H Lower GI J Biliary and Pancreatic Tract K Genitourinary Tract N Male Reproductive P Female Reproductive | 3 Percutaneous 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic | 8 Irrigating Substance | X Diagnostic Z No Qualifier |
| L Pleural Cavity Q Cranial Cavity and Brain R Spinal Canal S Epidural Space U Joints Y Pericardial Cavity | 3 Percutaneous | 8 Irrigating Substance | X Diagnostic Z No Qualifier |
| M Peritoneal Cavity | 3 Percutaneous | 8 Irrigating Substance | X Diagnostic Z No Qualifier |
| M Peritoneal Cavity | 3 Percutaneous | 9 Dialysate | Z No Qualifier |