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S23.3 – Dislocation of Thoracic Vertebra | ICD-10
S23.3 is an ICD-10 code for dislocation of a thoracic vertebra. It refers to the traumatic displacement of one or more thoracic vertebrae as a result of injury.
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S23.3 is an ICD-10 code for dislocation of a thoracic vertebra. It refers to the traumatic displacement of one or more thoracic vertebrae as a result of injury.
What does ICD-10 Code S23.3 mean?
The ICD-10 code S23.3 stands for dislocation of a thoracic vertebra (dislocation in the thoracic spine region). A dislocation describes the complete displacement of a joint in which the joint surfaces lose contact permanently. In the context of the spine, this means that two adjacent vertebral bodies have been shifted out of their normal position due to external force.
Causes
A thoracic vertebral dislocation typically results from severe trauma, such as:
- Traffic accidents (especially high-impact collisions or whiplash-type injuries)
- Falls from significant heights
- Sports injuries (e.g., equestrian sports, martial arts, or extreme sports)
- Direct impact or crush injury to the back
The thoracic spine is relatively stabilized by the rib cage, which makes dislocations in this region less common than in the cervical or lumbar spine. However, when they do occur, they are often severe and associated with significant neurological risk.
Symptoms
Depending on the extent of the injury, the following symptoms may be present:
- Severe pain in the chest and back region
- Restricted movement of the spine
- Local swelling and tenderness on palpation
- Neurological deficits such as numbness, tingling, or motor weakness (if the spinal cord is involved)
- In severe cases, paraplegia (spinal cord injury resulting in loss of movement and sensation below the injury level)
Diagnosis
The diagnosis of a thoracic vertebral dislocation is established through:
- Clinical examination: Neurological assessment, pain localization, range of motion testing
- X-ray imaging of the thoracic spine in two planes
- Computed tomography (CT): For detailed assessment of bony structures
- Magnetic resonance imaging (MRI): For evaluation of the spinal cord, intervertebral discs, and ligaments
Treatment
Treatment depends on the severity of the dislocation and whether the spinal cord is involved:
Conservative Treatment
In stable injuries without neurological deficits, conservative management with immobilization, pain medication, and physiotherapy follow-up may be considered.
Surgical Treatment
Unstable dislocations or cases with neurological deficits typically require surgical stabilization of the spine. This may include:
- Reduction (realigning the displaced vertebrae to their anatomical position)
- Stabilization using pedicle screw-rod systems or plates
- Decompression of the spinal cord if compression is present
Rehabilitation
Following acute treatment, an intensive rehabilitation program is essential. In cases of neurological damage, this includes physiotherapy, occupational therapy, and if necessary, a dedicated neurological rehabilitation program.
References
- World Health Organization (WHO): International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10). Geneva: WHO, 2019.
- Magerl F, Aebi M, Gertzbein SD et al. – A comprehensive classification of thoracic and lumbar injuries. European Spine Journal, 1994;3(4):184–201.
- Vaccaro AR, Oner C, Kepler CK et al. – AOSpine Thoracolumbar Spine Injury Classification System. Spine, 2013;38(23):2028–2037.
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