The 4th character refers to the body part or body region.
Resection
Cutting out or off, without replacement, all of a body part
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0NTG - Ethmoid Bone, Left
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0NTF - Ethmoid Bone, Right
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0NT1 - Frontal Bone
Includes:
- Zygomatic process of frontal bone
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0NTX - Hyoid Bone
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0NTJ - Lacrimal Bone, Left
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0NTH - Lacrimal Bone, Right
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0NTV - Mandible, Left
Includes:
- Alveolar process of mandible
- Condyloid process
- Mandibular notch
- Mental foramen
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0NTT - Mandible, Right
Includes:
- Alveolar process of mandible
- Condyloid process
- Mandibular notch
- Mental foramen
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0NTR - Maxilla
Includes:
- Alveolar process of maxilla
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0NTB - Nasal Bone
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0NT7 - Occipital Bone
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0NTQ - 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
-
0NTP - 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
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0NTL - Palatine Bone, Left
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0NTK - Palatine Bone, Right
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0NT4 - Parietal Bone, Left
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0NT3 - Parietal Bone, Right
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0NTC - Sphenoid Bone
Includes:
- Greater wing
- Lesser wing
- Optic foramen
- Pterygoid process
- Sella turcica
-
0NT6 - Temporal Bone, Left
Includes:
- Mastoid process
- Petrous part of temporal bone
- Tympanic part of temporal bone
- Zygomatic process of temporal bone
-
0NT5 - Temporal Bone, Right
Includes:
- Mastoid process
- Petrous part of temporal bone
- Tympanic part of temporal bone
- Zygomatic process of temporal bone
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0NTN - Zygomatic Bone, Left
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0NTM - Zygomatic Bone, Right