ICD-10-CM Billable Code

G24.3

Spasmodic torticollis

Clinical Classification Guidelines

Excludes Type 1

  • congenital torticollis (Q68.0)
  • hysterical torticollis (F44.4)
  • ocular torticollis (R29.891)
  • psychogenic torticollis (F45.8)
  • torticollis NOS (M43.6)
  • traumatic recurrent torticollis (S13.4)

Medical Intelligence & Overview

Spasmodic torticollis, also known as cervical dystonia, is a neurological movement disorder characterized by involuntary muscle contractions in the neck. These contractions lead to abnormal head positions and neck movements, which can cause discomfort and affect daily activities. Although the exact cause is often unknown, spasmodic torticollis can vary in severity from mild to debilitating. It generally develops gradually and may involve persistent or intermittent muscle contractions that twist and turn the neck.

Causes & Symptoms

Clinical Causes: Primary (idiopathic) causes, where no specific reason can be identified but may involve genetic and environmental factors. Secondary causes, which can include neurological disorders, injuries or trauma to the neck, adverse reactions to certain medications, or other underlying medical conditions. Genetic predisposition, with some cases running in families, suggesting a hereditary component. Environmental factors, such as prolonged neck strain or repetitive movements, potentially contributing to the development of symptoms.

Key Symptoms: Involuntary muscle contractions leading to twisting or tilting of the neck. Abnormal head postures, such as tilting, turning, or leaning to one side. Neck pain or discomfort that may radiate to the shoulders or arms. Limited range of motion in the neck. In some cases, the affected person may experience tremors or jerking movements. Muscle stiffness and soreness.

Diagnostic & Treatment

Diagnosis Path: Diagnosis of spasmodic torticollis typically involves a detailed neurological and physical examination. The healthcare provider assesses the patient's history, including symptom onset, frequency, and severity. Imaging tests such as MRI or CT scans may be used to rule out other causes of neck stiffness or abnormal movements. Electromyography (EMG) could be employed to analyze muscle activity. Since there is no specific test to confirm the condition definitively, diagnosis relies on clinical evaluation and exclusion of other conditions.

Treatment Protocols: Botulinum toxin injections: Injected into specific neck muscles, these are often the first line of treatment to reduce muscle contractions. Medications: Oral drugs such as anticholinergics, muscle relaxants, or dopamine-blocking agents may be prescribed to alleviate symptoms. Physical therapy: Exercises and stretching techniques can improve neck flexibility and reduce discomfort. Surgical interventions: In severe cases unresponsive to other treatments, procedures such as deep brain stimulation or selective denervation may be considered. Stress management and behavioral therapy: To help cope with symptoms and reduce muscle tension.

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 G24.3 a billable ICD-10 code?
Yes, G24.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report G24.3?
Clinical documentation must specify the nature of Spasmodic torticollis and any associated comorbidities for accurate reporting.

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