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v1.0.0
ICD-10 Guide
ICD-10 CodesG43.919

G43.919

Billable

Migraine, unspecified, intractable, without status migrainosus

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

Code Description

ICD-10 G43.919 is a billable code used to indicate a diagnosis of migraine, unspecified, intractable, without status migrainosus.

Key Diagnostic Point:

Migraine is a common and debilitating headache disorder characterized by recurrent episodes of moderate to severe headache, often accompanied by nausea, vomiting, and sensitivity to light and sound. The term 'intractable' indicates that the migraine is resistant to standard treatment protocols, leading to significant impairment in daily functioning. Patients may experience frequent attacks that do not respond to typical abortive treatments, necessitating a more aggressive management approach. This code is used when the specific type of migraine is not defined, and the patient does not exhibit status migrainosus, a severe form of migraine lasting more than 72 hours. Triggers for migraines can vary widely and may include stress, hormonal changes, certain foods, and environmental factors. Preventive treatments may involve lifestyle modifications, pharmacological interventions such as beta-blockers, anticonvulsants, or antidepressants, and alternative therapies. Accurate coding is essential for appropriate treatment planning and insurance reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in migraine presentation and triggers
  • Need for detailed patient history to determine intractability
  • Differentiation from other headache disorders
  • Documentation of treatment failures

Audit Risk Factors

  • Insufficient documentation of intractability
  • Lack of detailed patient history regarding migraine triggers
  • Failure to document treatment attempts and responses
  • Misclassification of migraine type

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed patient history, including frequency, duration, and severity of migraines, as well as response to treatments.

Common Clinical Scenarios

Patients presenting with frequent migraines that do not respond to standard treatments.

Billing Considerations

Neurologists should document all treatment attempts and patient responses to justify the use of this code.

Primary Care

Documentation Requirements

Comprehensive records of patient symptoms, triggers, and treatment history.

Common Clinical Scenarios

Patients with recurrent headaches seeking management options.

Billing Considerations

Primary care providers should ensure thorough documentation to support the diagnosis of intractable migraines.

Coding Guidelines

Inclusion Criteria

Use G43.919 When
  • According to ICD
  • 10 guidelines, this code should be used when the migraine is unspecified and intractable, without evidence of status migrainosus
  • Documentation must support the diagnosis and the intractable nature of the migraines

Exclusion Criteria

Do NOT use G43.919 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 manage migraine treatment.

Documentation Requirements

Document patient history, treatment response, and any changes in symptoms.

Specialty Considerations

Neurologists may require more detailed documentation compared to primary care providers.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of migraine types, improving the accuracy of diagnosis and treatment planning. G43.919 provides a clear designation for intractable migraines, facilitating better management strategies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of migraine types, improving the accuracy of diagnosis and treatment planning. G43.919 provides a clear designation for intractable migraines, facilitating better management strategies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of migraine types, improving the accuracy of diagnosis and treatment planning. G43.919 provides a clear designation for intractable migraines, facilitating better management strategies.

Resources

Clinical References

  • •
    American Migraine Foundation

Coding & Billing References

  • •
    American Migraine Foundation

Frequently Asked Questions

What does intractable mean in the context of migraines?

Intractable migraines are those that do not respond to standard treatment options, leading to frequent and debilitating episodes that significantly impact a patient's quality of life.