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ICD-10 Guide
ICD-10 CodesG25.61

G25.61

Billable

Drug induced tics

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

Code Description

ICD-10 G25.61 is a billable code used to indicate a diagnosis of drug induced tics.

Key Diagnostic Point:

Drug-induced tics are involuntary, repetitive movements or vocalizations that occur as a side effect of certain medications, particularly those affecting the dopaminergic system. These tics can manifest in various forms, including motor tics (such as blinking, head jerking, or facial grimacing) and vocal tics (such as throat clearing or grunting). The onset of drug-induced tics is often associated with the use of dopaminergic medications, which are commonly prescribed for conditions like Parkinson's disease and other extrapyramidal disorders. The pathophysiology behind these tics is linked to the alteration of dopamine pathways in the brain, which can lead to dysregulation of motor control. Patients with a history of movement disorders may be at higher risk for developing tics when treated with antipsychotics or other medications that influence dopamine levels. Accurate diagnosis and coding of drug-induced tics are essential for appropriate management and treatment adjustments, as well as for understanding the broader implications of medication side effects in patients with underlying neurological conditions.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between drug-induced tics and tics from other etiologies.
  • Understanding the specific medications that can induce tics.
  • Recognizing the overlap with other movement disorders.
  • Documenting the patient's medication history accurately.

Audit Risk Factors

  • Inadequate documentation of medication history.
  • Failure to specify the type of tics (motor vs. vocal).
  • Misclassification of tics as primary movement disorders.
  • Lack of evidence supporting the link between medication and tics.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed documentation of the patient's neurological history, current medications, and the onset and characteristics of tics.

Common Clinical Scenarios

Patients with Parkinson's disease experiencing new-onset tics after starting or adjusting dopaminergic therapy.

Billing Considerations

Consideration of the patient's overall movement disorder and potential interactions with other medications.

Psychiatry

Documentation Requirements

Thorough documentation of psychiatric medications prescribed and their potential side effects, including tics.

Common Clinical Scenarios

Patients on antipsychotic medications developing tics as a side effect.

Billing Considerations

Monitoring for tics in patients receiving long-term antipsychotic treatment.

Coding Guidelines

Inclusion Criteria

Use G25.61 When
  • According to ICD
  • 10 coding guidelines, G25
  • 61 should be used when tics are specifically attributed to drug use

Exclusion Criteria

Do NOT use G25.61 When
  • Coders must ensure that the documentation clearly links the tics to the medication, and any relevant exclusions must be considered

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits where drug-induced tics are assessed.

Documentation Requirements

Documentation of the patient's medication history and assessment of tics.

Specialty Considerations

Neurologists and psychiatrists should ensure comprehensive documentation to support the visit level.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of drug-induced tics, improving the ability to track and manage this condition in relation to medication use. This specificity aids in better understanding the side effects of treatments for movement disorders.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced tics, improving the ability to track and manage this condition in relation to medication use. This specificity aids in better understanding the side effects of treatments for movement disorders.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of drug-induced tics, improving the ability to track and manage this condition in relation to medication use. This specificity aids in better understanding the side effects of treatments for movement disorders.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What medications are commonly associated with drug-induced tics?

Common medications include antipsychotics, certain antidepressants, and dopaminergic agents used in Parkinson's disease treatment. It's essential to review the patient's medication history to identify potential culprits.