ICD-10-CM Billable Code

S13.120

Subluxation of C1/C2 cervical vertebrae

Clinical Classification Guidelines

Medical Intelligence & Overview

Subluxation of the C1 and C2 cervical vertebrae refers to a partial dislocation between the first two bones in the neck. These vertebrae, called the atlas (C1) and axis (C2), play a crucial role in supporting your head and enabling neck movements. A subluxation occurs when there is misalignment or instability between these bones, often caused by trauma or injury. Recognizing this condition is important as it can impact spinal and nervous system health, potentially leading to nerve irritation or other complications if left untreated.

Causes & Symptoms

Clinical Causes: Trauma or injury from accidents, falls, or sports activities Sudden neck movements or hyperextension Whiplash injuries Degenerative changes or aging-related deterioration Previous cervical spine surgeries or interventions Congenital anomalies affecting cervical vertebrae

Key Symptoms: Neck pain or stiffness Limited range of neck motion Headaches, particularly at the back of the head Dizziness or a feeling of instability in the neck Numbness or tingling sensations in the arms or hands Muscle weakness in the upper limbs Sensory disturbances such as tingling or burning sensations

Diagnostic & Treatment

Diagnosis Path: Diagnosing a subluxation of the C1/C2 vertebrae involves a detailed clinical examination and imaging studies. Healthcare providers may perform physical assessments to evaluate neck stability and neurological function. Imaging modalities like X-rays, CT scans, or MRI are typically used to visualize the alignment of cervical vertebrae and identify any misalignment or injury. These diagnostic tools help determine the severity of the subluxation and guide appropriate treatment strategies.

Treatment Protocols: Treatment options vary depending on the severity of the subluxation and associated symptoms. Common approaches include:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is S13.120 a billable ICD-10 code?
Yes, S13.120 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report S13.120?
Clinical documentation must specify the nature of Subluxation of C1/C2 cervical vertebrae and any associated comorbidities for accurate reporting.

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