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ICD-10 Guide
ICD-10 CodesG25.6

G25.6

Billable

Drug induced tics and other tics of organic origin

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

Code Description

ICD-10 G25.6 is a billable code used to indicate a diagnosis of drug induced tics and other tics of organic origin.

Key Diagnostic Point:

G25.6 refers to drug-induced tics and other tics of organic origin, which can occur as a result of various medications, particularly those affecting the dopaminergic system. This condition is often seen in patients with Parkinson's disease or other extrapyramidal disorders, where the use of dopaminergic medications can lead to the development of tics. Tics are sudden, repetitive movements or sounds that can be motor or vocal in nature. The pathophysiology behind drug-induced tics is linked to the alteration of neurotransmitter levels, particularly dopamine, which plays a crucial role in movement regulation. Patients may present with tics after starting or increasing the dosage of medications such as antipsychotics, antiemetics, or other drugs that influence dopamine pathways. Accurate diagnosis requires a thorough medication history and assessment of the timing of tic onset relative to medication changes. Clinicians must differentiate between primary tic disorders and those induced by pharmacological agents to ensure appropriate management and coding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between drug-induced tics and primary tic disorders.
  • Understanding the various medications that can induce tics.
  • Assessing the timing of tic onset in relation to medication changes.
  • Navigating the overlap with other movement disorders.

Audit Risk Factors

  • Inadequate documentation of medication history.
  • Failure to specify the type of tic (motor vs. vocal).
  • Misdiagnosis of primary tic disorders instead of drug-induced tics.
  • Lack of clarity on the timing of tic onset.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed history of neurological symptoms, medication history, and response to treatment.

Common Clinical Scenarios

Patients with Parkinson's disease experiencing new-onset tics after medication adjustments.

Billing Considerations

Neurologists should document the specific medications involved and any changes in dosage that correlate with tic onset.

Psychiatry

Documentation Requirements

Comprehensive psychiatric evaluation, including medication history and mental status examination.

Common Clinical Scenarios

Patients on antipsychotic medications developing tics as a side effect.

Billing Considerations

Psychiatrists must differentiate between tics and other movement disorders that may arise from psychiatric medications.

Coding Guidelines

Inclusion Criteria

Use G25.6 When
  • According to ICD
  • 10 coding guidelines, G25
  • 6 should be used when tics are clearly linked to drug use
  • Coders must ensure that the documentation supports the diagnosis, including the specific medications involved and their dosages
  • induced or are part of a primary tic disorder

Exclusion Criteria

Do NOT use G25.6 When
  • Exclusion criteria include tics that are not drug

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits to assess the impact of medication changes on tic symptoms.

Documentation Requirements

Document the patient's medication history, current symptoms, and any changes made.

Specialty Considerations

Neurologists and psychiatrists should ensure comprehensive documentation of the patient's condition and treatment plan.

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 these conditions in clinical practice. It emphasizes the importance of medication history in diagnosis.

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 these conditions in clinical practice. It emphasizes the importance of medication history in diagnosis.

Reimbursement & Billing Impact

reimbursement.

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, antiemetics, and certain antidepressants, particularly those that affect dopamine levels.