- CodeDescription
- 0990 External Ear, Right
- 0991 External Ear, Left
- 0993 External Auditory Canal, Right
- 0994 External Auditory Canal, Left
- 0995 Middle Ear, Right
- 0996 Middle Ear, Left
- 0997 Tympanic Membrane, Right
- 0998 Tympanic Membrane, Left
- 0999 Auditory Ossicle, Right
- 099A Auditory Ossicle, Left
- 099B Mastoid Sinus, Right
- 099C Mastoid Sinus, Left
- 099D Inner Ear, Right
- 099E Inner Ear, Left
- 099F Eustachian Tube, Right
- 099G Eustachian Tube, Left
- 099K Nasal Mucosa and Soft Tissue
- 099L Nasal Turbinate
- 099M Nasal Septum
- 099N Nasopharynx
- 099P Accessory Sinus
- 099Q Maxillary Sinus, Right
- 099R Maxillary Sinus, Left
- 099S Frontal Sinus, Right
- 099T Frontal Sinus, Left
- 099U Ethmoid Sinus, Right
- 099V Ethmoid Sinus, Left
- 099W Sphenoid Sinus, Right
- 099X Sphenoid Sinus, Left