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ICD-10 Guide
ICD-10 CodesG25.1

G25.1

Billable

Drug-induced tremor

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

Code Description

ICD-10 G25.1 is a billable code used to indicate a diagnosis of drug-induced tremor.

Key Diagnostic Point:

Drug-induced tremor is a movement disorder characterized by involuntary, rhythmic shaking of a part of the body, often the hands, arms, or legs, that is caused by the administration of certain medications. This condition is particularly associated with the use of dopaminergic medications, which are commonly prescribed for Parkinson's disease and other extrapyramidal disorders. The tremor can vary in severity and may be exacerbated by stress or fatigue. It is important to differentiate drug-induced tremor from other types of tremors, such as those seen in Parkinson's disease or essential tremor, as the management and treatment strategies differ significantly. The tremor typically occurs due to the disruption of normal neurotransmitter balance in the brain, particularly involving dopamine pathways. Clinicians must carefully assess the patient's medication history and consider potential drug interactions or side effects when diagnosing and treating this condition. Accurate identification of drug-induced tremor is crucial for effective management, which may involve adjusting the dosage of the offending medication or switching to alternative therapies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other types of tremors
  • Need for detailed medication history
  • Potential overlap with Parkinson's disease symptoms
  • Variability in presentation based on individual patient factors

Audit Risk Factors

  • Inadequate documentation of medication history
  • Failure to specify the type of tremor
  • Lack of clarity on the relationship between medication and tremor onset
  • Inconsistent coding of related conditions

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed documentation of neurological examination findings, medication history, and any changes in symptoms.

Common Clinical Scenarios

Patients presenting with tremors after starting or adjusting dopaminergic medications.

Billing Considerations

Consideration of other neurological conditions that may mimic drug-induced tremor.

Psychiatry

Documentation Requirements

Thorough documentation of psychiatric medications and their potential side effects.

Common Clinical Scenarios

Patients on antipsychotic medications presenting with tremors.

Billing Considerations

Monitoring for extrapyramidal symptoms in patients receiving long-term psychiatric treatment.

Coding Guidelines

Inclusion Criteria

Use G25.1 When
  • According to the official ICD
  • 10 coding guidelines, G25
  • 1 should be used when the tremor is specifically attributed to drug use
  • Coders must ensure that the documentation clearly links the tremor to the medication in question and that other potential causes have been ruled out

Exclusion Criteria

Do NOT use G25.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits to assess tremor severity and medication adjustments.

Documentation Requirements

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

Specialty Considerations

Neurology specialists should focus on neurological assessments.

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 tremor, improving the ability to track and manage this condition in clinical practice. The increased specificity helps in understanding the prevalence and impact of medication-related movement disorders.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced tremor, improving the ability to track and manage this condition in clinical practice. The increased specificity helps in understanding the prevalence and impact of medication-related movement disorders.

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 tremor?

Common medications include dopaminergic agents like levodopa, antipsychotics such as haloperidol, and certain antidepressants. It's important to review the patient's entire medication list to identify potential culprits.