| 21.00 | Control of epistaxis, not otherwise specified |
| 21.01 | Control of epistaxis by anterior nasal packing |
| 21.02 | Control of epistaxis by posterior (and anterior) packing |
| 21.03 | Control of epistaxis by cauterization (and packing) |
| 21.04 | Control of epistaxis by ligation of ethmoidal arteries |
| 21.05 | Control of epistaxis by (transantral) ligation of the maxillary artery |
| 21.06 | Control of epistaxis by ligation of the external carotid artery |
| 21.07 | Control of epistaxis by excision of nasal mucosa and skin grafting of septum and lateral nasal wall |
| 21.09 | Control of epistaxis by other means |
| 21.1 | Incision of nose |
| 21.21 | Rhinoscopy |
| 21.22 | Biopsy of nose |
| 21.29 | Other diagnostic procedures on nose |
| 21.30 | Excision or destruction of lesion of nose, not otherwise specified |
| 21.31 | Local excision or destruction of intranasal lesion |
| 21.32 | Local excision or destruction of other lesion of nose |
| 21.4 | Resection of nose |
| 21.5 | Submucous resection of nasal septum |
| 21.61 | Turbinectomy by diathermy or cryosurgery |
| 21.62 | Fracture of the turbinates |
| 21.69 | Other turbinectomy |
| 21.71 | Closed reduction of nasal fracture |
| 21.72 | Open reduction of nasal fracture |
| 21.81 | Suture of laceration of nose |
| 21.82 | Closure of nasal fistula |
| 21.83 | Total nasal reconstruction |
| 21.84 | Revision rhinoplasty |
| 21.85 | Augmentation rhinoplasty |
| 21.86 | Limited rhinoplasty |
| 21.87 | Other rhinoplasty |
| 21.88 | Other septoplasty |
| 21.89 | Other repair and plastic operations on nose |
| 21.91 | Lysis of adhesions of nose |
| 21.99 | Other operations on nose |
