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v1.0.0
ICD-10 Guide
ICD-10 CodesG25.5

G25.5

Billable

Other chorea

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

Code Description

ICD-10 G25.5 is a billable code used to indicate a diagnosis of other chorea.

Key Diagnostic Point:

Other chorea refers to involuntary, irregular movements that are not classified under specific types of chorea, such as Huntington's disease or Sydenham's chorea. This condition can manifest as rapid, unpredictable movements that may affect various parts of the body, including the face, arms, and legs. It is often associated with underlying neurological conditions, including Parkinson's disease and other extrapyramidal disorders. Patients may experience chorea as a side effect of dopaminergic medications used to treat Parkinson's disease, which can lead to dyskinesias. The pathophysiology of chorea involves dysfunction in the basal ganglia, a group of nuclei in the brain responsible for coordinating movement. Diagnosis typically involves a thorough clinical evaluation, including a detailed patient history and neurological examination, to differentiate chorea from other movement disorders. Treatment may include adjusting dopaminergic medications, using antichorea agents, or addressing the underlying condition contributing to the chorea. Accurate coding is essential for proper treatment and reimbursement, as well as for tracking the prevalence and impact of movement disorders in the population.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other movement disorders
  • Potential overlap with Parkinson's disease symptoms
  • Variability in presentation and severity
  • Need for comprehensive patient history

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify underlying conditions
  • Misclassification with other movement disorders
  • Inconsistent use of medication history

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, medication history, and any relevant imaging or lab results.

Common Clinical Scenarios

Patients presenting with involuntary movements, medication-induced dyskinesias, or exacerbation of existing movement disorders.

Billing Considerations

Ensure that all relevant neurological assessments are documented to support the diagnosis of other chorea.

Psychiatry

Documentation Requirements

Assessment of psychiatric symptoms, medication history, and any behavioral changes associated with chorea.

Common Clinical Scenarios

Patients with chorea presenting with mood disorders or cognitive changes, particularly in the context of medication management.

Billing Considerations

Document any psychiatric evaluations that may influence the treatment plan for movement disorders.

Coding Guidelines

Inclusion Criteria

Use G25.5 When
  • According to ICD
  • 10 guidelines, G25
  • 5 should be used when the chorea is not specified as being due to a known cause
  • Coders should ensure that the documentation supports the diagnosis and that any underlying conditions are also coded appropriately

Exclusion Criteria

Do NOT use G25.5 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99214CPT Code

Established patient office visit, level 4

Clinical Scenario

Used for follow-up visits for patients with documented chorea symptoms.

Documentation Requirements

Detailed history and examination findings related to movement disorders.

Specialty Considerations

Neurologists should ensure that all relevant neurological assessments are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of movement disorders, including other chorea, which aids in better tracking and management of these conditions. It has also emphasized the need for detailed documentation to support the diagnosis.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of movement disorders, including other chorea, which aids in better tracking and management of these conditions. It has also emphasized the need for detailed documentation to support the diagnosis.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of movement disorders, including other chorea, which aids in better tracking and management of these conditions. It has also emphasized the need for detailed documentation to support the diagnosis.

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 is the difference between G25.5 and G25.0?

G25.5 is used for other types of chorea not specified as Huntington's disease, while G25.0 specifically refers to chorea due to Huntington's disease.