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ICD-10 Guide
ICD-10 CodesG24.5

G24.5

Billable

Blepharospasm

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 G24.5 is a billable code used to indicate a diagnosis of blepharospasm.

Key Diagnostic Point:

Blepharospasm is a focal dystonia characterized by involuntary spasms of the eyelid muscles, leading to frequent blinking or eyelid closure. This condition can significantly impact daily activities, including reading, driving, and social interactions. It is often associated with other movement disorders, particularly in patients with Parkinson's disease or other extrapyramidal disorders. The pathophysiology of blepharospasm involves dysfunction in the basal ganglia and its connections, which are critical for motor control. Patients may experience varying degrees of severity, with some requiring treatment to manage symptoms effectively. Treatment options include botulinum toxin injections, which can temporarily paralyze the muscles responsible for the spasms, and dopaminergic medications that may help in cases where blepharospasm is secondary to Parkinson's disease. Accurate diagnosis and coding are essential, as blepharospasm can be confused with other conditions such as dry eye syndrome or other forms of eyelid twitching.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other movement disorders
  • Potential overlap with Parkinson's disease symptoms
  • Variability in treatment approaches
  • Need for detailed documentation of symptoms and treatment response

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the underlying cause (e.g., Parkinson's disease)
  • Misclassification of blepharospasm as a primary condition without supporting evidence
  • Lack of follow-up documentation on treatment efficacy

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, history of movement disorders, and treatment plans.

Common Clinical Scenarios

Patients presenting with involuntary eyelid closure, especially those with a history of Parkinson's disease.

Billing Considerations

Documenting the duration and frequency of spasms, as well as the impact on daily activities.

Ophthalmology

Documentation Requirements

Assessment of visual function, eyelid examination, and any associated ocular conditions.

Common Clinical Scenarios

Patients with blepharospasm presenting for evaluation of eyelid function and potential treatment options.

Billing Considerations

Differentiating blepharospasm from other ocular conditions such as dry eye or eyelid myokymia.

Coding Guidelines

Inclusion Criteria

Use G24.5 When
  • According to ICD
  • 10 coding guidelines, G24
  • 5 should be used when blepharospasm is the primary diagnosis
  • It is essential to document any underlying conditions, such as Parkinson's disease, to ensure accurate coding

Exclusion Criteria

Do NOT use G24.5 When
  • Exclusion criteria include conditions that mimic blepharospasm but are not classified as such

Related ICD-10 Codes

Related CPT Codes

64612CPT Code

Injection, botulinum toxin type A

Clinical Scenario

Used for treating blepharospasm in patients who do not respond to conservative management.

Documentation Requirements

Document the patient's symptoms, treatment history, and response to previous treatments.

Specialty Considerations

Neurologists and ophthalmologists should coordinate care to optimize treatment outcomes.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of blepharospasm, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of the condition in relation to other movement disorders.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of blepharospasm, improving the accuracy of data collection and reimbursement processes. It has also facilitated better tracking of the condition in relation to other movement disorders.

Reimbursement & Billing Impact

reimbursement processes. It has also facilitated better tracking of the condition in relation to other movement disorders.

Resources

Clinical References

  • •
    American Academy of Neurology
  • •
    Dystonia Medical Research Foundation

Coding & Billing References

  • •
    American Academy of Neurology
  • •
    Dystonia Medical Research Foundation

Frequently Asked Questions

What is the primary treatment for blepharospasm?

The primary treatment for blepharospasm is botulinum toxin injections, which help to reduce the involuntary muscle contractions.

How can blepharospasm be differentiated from other eyelid disorders?

Blepharospasm is characterized by involuntary eyelid closure and spasms, while other eyelid disorders may present with different symptoms such as twitching or irritation.