| Section | 0 | Medical and Surgical |
| Body System | 9 | Ear, Nose, Sinus |
| Operation | 9 | Drainage: Taking or letting out fluids and/or gases from a body part |
| Body Part 0 External Ear, Right 1 External Ear, Left K Nose |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part 0 External Ear, Right 1 External Ear, Left K Nose |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic X External |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |
| Body Part 3 External Auditory Canal, Right 4 External Auditory Canal, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic X External |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part 3 External Auditory Canal, Right 4 External Auditory Canal, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic X External |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |
| Body Part 5 Middle Ear, Right 6 Middle Ear, Left 9 Auditory Ossicle, Right A Auditory Ossicle, Left D Inner Ear, Right E Inner Ear, Left |
Approach 0 Open |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part 5 Middle Ear, Right 6 Middle Ear, Left 9 Auditory Ossicle, Right A Auditory Ossicle, Left D Inner Ear, Right E Inner Ear, Left |
Approach 0 Open |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |
| Body Part 7 Tympanic Membrane, Right 8 Tympanic Membrane, Left F Eustachian Tube, Right G Eustachian Tube, Left L Nasal Turbinate N Nasopharynx |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part 7 Tympanic Membrane, Right 8 Tympanic Membrane, Left F Eustachian Tube, Right G Eustachian Tube, Left L Nasal Turbinate N Nasopharynx |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic 7 Via Natural or Artificial Opening 8 Via Natural or Artificial Opening Endoscopic |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |
| Body Part B Mastoid Sinus, Right C Mastoid Sinus, Left M Nasal Septum P Accessory Sinus Q Maxillary Sinus, Right R Maxillary Sinus, Left S Frontal Sinus, Right T Frontal Sinus, Left U Ethmoid Sinus, Right V Ethmoid Sinus, Left W Sphenoid Sinus, Right X Sphenoid Sinus, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device 0 Drainage Device |
Qualifier Z No Qualifier |
| Body Part B Mastoid Sinus, Right C Mastoid Sinus, Left M Nasal Septum P Accessory Sinus Q Maxillary Sinus, Right R Maxillary Sinus, Left S Frontal Sinus, Right T Frontal Sinus, Left U Ethmoid Sinus, Right V Ethmoid Sinus, Left W Sphenoid Sinus, Right X Sphenoid Sinus, Left |
Approach 0 Open 3 Percutaneous 4 Percutaneous Endoscopic |
Device Z No Device |
Qualifier X Diagnostic Z No Qualifier |