The 4th character refers to the body part or body region.
Repair
Restoring, to the extent possible, a body part to its normal anatomic structure and function
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09QP - Accessory Sinus
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09QA - Auditory Ossicle, Left
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09Q9 - Auditory Ossicle, Right
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09QV - Ethmoid Sinus, Left
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09QU - Ethmoid Sinus, Right
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09QG - Eustachian Tube, Left
Includes:
- Auditory tube
- Pharyngotympanic tube
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09QF - Eustachian Tube, Right
Includes:
- Auditory tube
- Pharyngotympanic tube
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09Q4 - External Auditory Canal, Left
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09Q3 - External Auditory Canal, Right
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09Q2 - External Ear, Bilateral
Includes:
- Antihelix
- Antitragus
- Auricle
- Earlobe
- Helix
- Pinna
- Tragus
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09Q1 - External Ear, Left
Includes:
- Antihelix
- Antitragus
- Auricle
- Earlobe
- Helix
- Pinna
- Tragus
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09Q0 - External Ear, Right
Includes:
- Antihelix
- Antitragus
- Auricle
- Earlobe
- Helix
- Pinna
- Tragus
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09QT - Frontal Sinus, Left
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09QS - Frontal Sinus, Right
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09QE - Inner Ear, Left
Includes:
- Bony labyrinth
- Bony vestibule
- Cochlea
- Round window
- Semicircular canal
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09QD - Inner Ear, Right
Includes:
- Bony labyrinth
- Bony vestibule
- Cochlea
- Round window
- Semicircular canal
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09QC - Mastoid Sinus, Left
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09QB - Mastoid Sinus, Right
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09QR - Maxillary Sinus, Left
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09QQ - Maxillary Sinus, Right
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09Q6 - Middle Ear, Left
Includes:
- Oval window
- Tympanic cavity
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09Q5 - Middle Ear, Right
Includes:
- Oval window
- Tympanic cavity
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09QK - Nasal Mucosa and Soft Tissue
Includes:
- Columella
- External naris
- Greater alar cartilage
- Internal naris
- Lateral nasal cartilage
- Lesser alar cartilage
- Nasal cavity
- Nostril
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09QM - Nasal Septum
Includes:
- Quadrangular cartilage
- Septal cartilage
- Vomer bone
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09QL - Nasal Turbinate
Includes:
- Inferior turbinate
- Middle turbinate
- Nasal concha
- Superior turbinate
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09QN - Nasopharynx
Includes:
- Choana
- Fossa of Rosenmuller
- Pharyngeal recess
- Rhinopharynx
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09QX - Sphenoid Sinus, Left
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09QW - Sphenoid Sinus, Right
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09Q8 - Tympanic Membrane, Left
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09Q7 - Tympanic Membrane, Right