ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  9 = Ear, Nose, Sinus

Root Operation:

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See Terms used in Medical and Surgical

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

Release

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

• 09NP - Accessory Sinus

• 09NA - Auditory Ossicle, Left

  Includes:

  • Incus
  • Malleus
  • Stapes

• 09N9 - Auditory Ossicle, Right

  Includes:

  • Incus
  • Malleus
  • Stapes

• 09NV - Ethmoid Sinus, Left

  Includes:

  • Ethmoidal air cell

• 09NU - Ethmoid Sinus, Right

  Includes:

  • Ethmoidal air cell

• 09NG - Eustachian Tube, Left

  Includes:

  • Auditory tube
  • Pharyngotympanic tube

• 09NF - Eustachian Tube, Right

  Includes:

  • Auditory tube
  • Pharyngotympanic tube

• 09N4 - External Auditory Canal, Left

  Includes:

  • External auditory meatus

• 09N3 - External Auditory Canal, Right

  Includes:

  • External auditory meatus

• 09N1 - External Ear, Left

  Includes:

  • Antihelix
  • Antitragus
  • Auricle
  • Earlobe
  • Helix
  • Pinna
  • Tragus

• 09N0 - External Ear, Right

  Includes:

  • Antihelix
  • Antitragus
  • Auricle
  • Earlobe
  • Helix
  • Pinna
  • Tragus

• 09NT - Frontal Sinus, Left

• 09NS - Frontal Sinus, Right

• 09NE - Inner Ear, Left

  Includes:

  • Bony labyrinth
  • Bony vestibule
  • Cochlea
  • Round window
  • Semicircular canal

• 09ND - Inner Ear, Right

  Includes:

  • Bony labyrinth
  • Bony vestibule
  • Cochlea
  • Round window
  • Semicircular canal

• 09NC - Mastoid Sinus, Left

  Includes:

  • Mastoid air cells

• 09NB - Mastoid Sinus, Right

  Includes:

  • Mastoid air cells

• 09NR - Maxillary Sinus, Left

  Includes:

  • Antrum of Highmore

• 09NQ - Maxillary Sinus, Right

  Includes:

  • Antrum of Highmore

• 09N6 - Middle Ear, Left

  Includes:

  • Oval window
  • Tympanic cavity

• 09N5 - Middle Ear, Right

  Includes:

  • Oval window
  • Tympanic cavity

• 09NK - Nasal Mucosa and Soft Tissue

  Includes:

  • Columella
  • External naris
  • Greater alar cartilage
  • Internal naris
  • Lateral nasal cartilage
  • Lesser alar cartilage
  • Nasal cavity
  • Nostril

• 09NM - Nasal Septum

  Includes:

  • Quadrangular cartilage
  • Septal cartilage
  • Vomer bone

• 09NL - Nasal Turbinate

  Includes:

  • Inferior turbinate
  • Middle turbinate
  • Nasal concha
  • Superior turbinate

• 09NN - Nasopharynx

  Includes:

  • Choana
  • Fossa of Rosenmuller
  • Pharyngeal recess
  • Rhinopharynx

• 09NX - Sphenoid Sinus, Left

• 09NW - Sphenoid Sinus, Right

• 09N8 - Tympanic Membrane, Left

  Includes:

  • Pars flaccida

• 09N7 - Tympanic Membrane, Right

  Includes:

  • Pars flaccida