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.

Bypass

Altering the route of passage of the contents of a tubular body part

  • 091E - Inner Ear, Left

    Includes:
    • Bony labyrinth
    • Bony vestibule
    • Cochlea
    • Round window
    • Semicircular canal
  • 091D - Inner Ear, Right

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