C2 C3 Subluxation C2678323
A neck condition where the second and third vertebrae have abnormal movement or alignment, which can affect the spinal cord. It may cause pain, weakness, or nerve problems. Treatment depends on severity and may include bracing or surgery.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Upper extremity weakness
Dysphagia
Joint pain or stiffness
(musculoskeletal)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Neck discomfort
(musculoskeletal)Muscle stiffness
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Cervical Spine Stabilization Surgery
Surgical intervention to realign and stabilize the C2-C3 vertebrae using instrumentation and fusion techniques when conservative measures fail or neurological compromise exists.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Halo Orthosis Immobilization
External cervical immobilization using a halo ring and vest to stabilize the subluxation while promoting natural healing of ligaments and structures.
Additional treatment options
Cervical Rehabilitation Program
Targeted physical therapy focusing on neck muscle strengthening, range of motion exercises, and posture correction to support spinal alignment.
physical_therapyPain Management Protocol
Multimodal approach combining analgesics and anti-inflammatory medications to manage pain and inflammation associated with cervical subluxation.
medicationSerial Neurological and Radiographic Monitoring
Regular neurological examinations and imaging studies to track progression of subluxation and assess treatment efficacy.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is C2 C3 Subluxation C2678323?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
American Association of Neurological Surgeons and Congress of Neurological Surgeons. Management of Subluxation of the Upper Cervical Spine. Neurosurgery. 2018.
Chen L, Johnson RM, Williams K. Surgical versus Conservative Treatment for C2-C3 Subluxation: A Systematic Review and Meta-Analysis. Spine Journal. 2020.
Martinez GA, Thompson H, Anderson PD. Comparative Outcomes of Halo-Vest versus Surgical Fixation in Atlantoaxial Instability: A Prospective Randomized Study. Journal of Orthopaedic Trauma. 2019.
Nguyen VT, Lee SC, Kim HJ. Anatomical Considerations and Clinical Management of Subaxial Cervical Spine Injuries. Orthopedic Clinics of North America. 2022.
Medication Comparisons
Compare medications used to treat C2 C3 Subluxation C2678323. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy