ICD-10-PCS code structure

Section:
  0 = Medical and Surgical

Body System:
  N = Head and Facial Bones

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

  • 0N9G - Ethmoid Bone, Left

    Includes:
    • Cribriform plate
  • 0N9F - Ethmoid Bone, Right

    Includes:
    • Cribriform plate
  • 0N91 - Frontal Bone

    Includes:
    • Zygomatic process of frontal bone
  • 0N9X - Hyoid Bone

  • 0N9J - Lacrimal Bone, Left

  • 0N9H - Lacrimal Bone, Right

  • 0N9V - Mandible, Left

    Includes:
    • Alveolar process of mandible
    • Condyloid process
    • Mandibular notch
    • Mental foramen
  • 0N9T - Mandible, Right

    Includes:
    • Alveolar process of mandible
    • Condyloid process
    • Mandibular notch
    • Mental foramen
  • 0N9R - Maxilla

    Includes:
    • Alveolar process of maxilla
  • 0N9B - Nasal Bone

    Includes:
    • Vomer of nasal septum
  • 0N97 - Occipital Bone

    Includes:
    • Foramen magnum
  • 0N9Q - Orbit, Left

    Includes:
    • Bony orbit
    • Orbital portion of ethmoid bone
    • Orbital portion of frontal bone
    • Orbital portion of lacrimal bone
    • Orbital portion of maxilla
    • Orbital portion of palatine bone
    • Orbital portion of sphenoid bone
    • Orbital portion of zygomatic bone
  • 0N9P - Orbit, Right

    Includes:
    • Bony orbit
    • Orbital portion of ethmoid bone
    • Orbital portion of frontal bone
    • Orbital portion of lacrimal bone
    • Orbital portion of maxilla
    • Orbital portion of palatine bone
    • Orbital portion of sphenoid bone
    • Orbital portion of zygomatic bone
  • 0N9L - Palatine Bone, Left

  • 0N9K - Palatine Bone, Right

  • 0N94 - Parietal Bone, Left

  • 0N93 - Parietal Bone, Right

  • 0N90 - Skull

  • 0N9C - Sphenoid Bone

    Includes:
    • Greater wing
    • Lesser wing
    • Optic foramen
    • Pterygoid process
    • Sella turcica
  • 0N96 - Temporal Bone, Left

    Includes:
    • Mastoid process
    • Petrous part of temoporal bone
    • Tympanic part of temoporal bone
    • Zygomatic process of temporal bone
  • 0N95 - Temporal Bone, Right

    Includes:
    • Mastoid process
    • Petrous part of temoporal bone
    • Tympanic part of temoporal bone
    • Zygomatic process of temporal bone
  • 0N9N - Zygomatic Bone, Left

  • 0N9M - Zygomatic Bone, Right