Mastoid Sinus, Right
- 09NB0 - Open
- 09NB0Z
- 09NB0ZZ - Release Mastoid Sinus, Right to No Qualifier with No Device, Open Approach
- 09NB3 - Percutaneous
- 09NB3Z
- 09NB3ZZ - Release Mastoid Sinus, Right to No Qualifier with No Device, Percutaneous Approach
- 09NB4 - Percutaneous Endoscopic
- 09NB4Z
- 09NB4ZZ - Release Mastoid Sinus, Right to No Qualifier with No Device, Percutaneous Endoscopic Approach
- 09NB8 - Via Natural or Artificial Opening Endoscopic
- 09NB8Z
- 09NB8ZZ - Release Mastoid Sinus, Right to No Qualifier with No Device, Via Natural or Artificial Opening Endoscopic Approach