External Auditory Canal, Left
- 09B40 - Open
- 09B40Z
- 09B40ZX - Excision External Auditory Canal, Left to Diagnostic with No Device, Open Approach
- 09B40ZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, Open Approach
- 09B43 - Percutaneous
- 09B43Z
- 09B43ZX - Excision External Auditory Canal, Left to Diagnostic with No Device, Percutaneous Approach
- 09B43ZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, Percutaneous Approach
- 09B44 - Percutaneous Endoscopic
- 09B44Z
- 09B44ZX - Excision External Auditory Canal, Left to Diagnostic with No Device, Percutaneous Endoscopic Approach
- 09B44ZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, Percutaneous Endoscopic Approach
- 09B47 - Via Natural or Artificial Opening
- 09B47Z
- 09B47ZX - Excision External Auditory Canal, Left to Diagnostic with No Device, Via Natural or Artificial Opening Approach
- 09B47ZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, Via Natural or Artificial Opening Approach
- 09B48 - Via Natural or Artificial Opening Endoscopic
- 09B48Z
- 09B48ZX - Excision External Auditory Canal, Left to Diagnostic with No Device, Via Natural or Artificial Opening Endoscopic Approach
- 09B48ZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach
- 09B4X - External
- 09B4XZ
- 09B4XZX - Excision External Auditory Canal, Left to Diagnostic with No Device, External Approach
- 09B4XZZ - Excision External Auditory Canal, Left to No Qualifier with No Device, External Approach