ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  9 = Ear, Nose, Sinus

Root Operation:


See Terms used in Medical and Surgical

The 4th character refers to the body part or body region.

Drainage

Taking or letting out fluids and/or gases from a body part

  • 099P - Accessory Sinus

  • 099A - Auditory Ossicle, Left

    Includes:
    • Incus
    • Malleus
    • Stapes
  • 0999 - Auditory Ossicle, Right

    Includes:
    • Incus
    • Malleus
    • Stapes
  • 099V - Ethmoid Sinus, Left

    Includes:
    • Ethmoidal air cell
  • 099U - Ethmoid Sinus, Right

    Includes:
    • Ethmoidal air cell
  • 099G - Eustachian Tube, Left

    Includes:
    • Auditory tube
    • Pharyngotympanic tube
  • 099F - Eustachian Tube, Right

    Includes:
    • Auditory tube
    • Pharyngotympanic tube
  • 0994 - External Auditory Canal, Left

    Includes:
    • External auditory meatus
  • 0993 - External Auditory Canal, Right

    Includes:
    • External auditory meatus
  • 0991 - External Ear, Left

    Includes:
    • Antihelix
    • Antitragus
    • Auricle
    • Earlobe
    • Helix
    • Pinna
    • Tragus
  • 0990 - External Ear, Right

    Includes:
    • Antihelix
    • Antitragus
    • Auricle
    • Earlobe
    • Helix
    • Pinna
    • Tragus
  • 099T - Frontal Sinus, Left

  • 099S - Frontal Sinus, Right

  • 099E - Inner Ear, Left

    Includes:
    • Bony labyrinth
    • Bony vestibule
    • Cochlea
    • Round window
    • Semicircular canal
  • 099D - Inner Ear, Right

    Includes:
    • Bony labyrinth
    • Bony vestibule
    • Cochlea
    • Round window
    • Semicircular canal
  • 099C - Mastoid Sinus, Left

    Includes:
    • Mastoid air cells
  • 099B - Mastoid Sinus, Right

    Includes:
    • Mastoid air cells
  • 099R - Maxillary Sinus, Left

    Includes:
    • Antrum of Highmore
  • 099Q - Maxillary Sinus, Right

    Includes:
    • Antrum of Highmore
  • 0996 - Middle Ear, Left

    Includes:
    • Oval window
    • Tympanic cavity
  • 0995 - Middle Ear, Right

    Includes:
    • Oval window
    • Tympanic cavity
  • 099K - Nasal Mucosa and Soft Tissue

    Includes:
    • Columella
    • External naris
    • Greater alar cartilage
    • Internal naris
    • Lateral nasal cartilage
    • Lesser alar cartilage
    • Nasal cavity
    • Nostril
  • 099M - Nasal Septum

    Includes:
    • Quadrangular cartilage
    • Septal cartilage
    • Vomer bone
  • 099L - Nasal Turbinate

    Includes:
    • Inferior turbinate
    • Middle turbinate
    • Nasal concha
    • Superior turbinate
  • 099N - Nasopharynx

    Includes:
    • Choana
    • Fossa of Rosenmuller
    • Pharyngeal recess
    • Rhinopharynx
  • 099X - Sphenoid Sinus, Left

  • 099W - Sphenoid Sinus, Right

  • 0998 - Tympanic Membrane, Left

    Includes:
    • Pars flaccida
  • 0997 - Tympanic Membrane, Right

    Includes:
    • Pars flaccida