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ICD-10 Guide
ICD-10 CodesG43.011

G43.011

Billable

Migraine without aura, intractable, with status migrainosus

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

Code Description

ICD-10 G43.011 is a billable code used to indicate a diagnosis of migraine without aura, intractable, with status migrainosus.

Key Diagnostic Point:

Migraine without aura, intractable, with status migrainosus is a severe form of migraine characterized by prolonged headache episodes lasting more than 72 hours. Patients experience debilitating pain, often accompanied by nausea, vomiting, and sensitivity to light and sound. Unlike typical migraines, this condition does not present with aura, which are sensory disturbances that can precede a migraine attack. Intractable migraines are resistant to standard treatments, making management challenging. Status migrainosus is a particularly severe manifestation, where the headache persists despite treatment efforts, leading to significant impairment in daily functioning. This condition can be triggered by various factors, including stress, hormonal changes, certain foods, and environmental stimuli. Effective management often requires a multidisciplinary approach, including acute treatment for pain relief and preventive strategies to reduce the frequency and severity of attacks.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Requires precise documentation of intractability and status migrainosus.
  • Differentiation from other types of migraines and headache disorders.
  • Need for comprehensive patient history to identify triggers.
  • Potential for overlapping symptoms with other neurological conditions.

Audit Risk Factors

  • Insufficient documentation of intractability.
  • Lack of evidence for status migrainosus diagnosis.
  • Inconsistent reporting of headache frequency and severity.
  • Failure to document treatment attempts and responses.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed patient history, including headache frequency, duration, and response to treatments.

Common Clinical Scenarios

Patients presenting with chronic headaches unresponsive to standard migraine treatments.

Billing Considerations

Neurologists must document the intractable nature and any comorbid conditions affecting treatment.

Primary Care

Documentation Requirements

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

Common Clinical Scenarios

Patients with recurrent migraines seeking management strategies.

Billing Considerations

Primary care providers should ensure referrals to specialists when migraines are intractable.

Coding Guidelines

Inclusion Criteria

Use G43.011 When
  • According to ICD
  • 10 guidelines, G43
  • 011 should be used when the migraine is documented as intractable and accompanied by status migrainosus
  • It is essential to ensure that the diagnosis is supported by clinical evidence and that other potential causes of headache are ruled out

Exclusion Criteria

Do NOT use G43.011 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 chronic migraine management.

Documentation Requirements

Document history of present illness, review of systems, and treatment plan.

Specialty Considerations

Neurologists may require more detailed neurological examinations.

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 tracking. G43.011 provides a clear distinction for intractable migraines, facilitating better management strategies and reimbursement processes.

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 tracking. G43.011 provides a clear distinction for intractable migraines, facilitating better management strategies and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American Migraine Foundation

Coding & Billing References

  • •
    American Migraine Foundation

Frequently Asked Questions

What distinguishes G43.011 from other migraine codes?

G43.011 specifically refers to intractable migraines without aura that have progressed to status migrainosus, requiring detailed documentation of treatment resistance and symptomatology.