ICD-10-CM Billable Code

G43.41

Hemiplegic migraine, intractable

Clinical Classification Guidelines

Inclusion Terms

  • Hemiplegic migraine with refractory migraine

Medical Intelligence & Overview

Hemiplegic migraine, classified under ICD-10 code G43.41, is a rare and severe type of migraine characterized by temporary paralysis or weakness on one side of the body, known as hemiplegia. When described as intractable, it indicates that the migraine episodes are resistant to standard treatments, making management particularly challenging. This condition combines neurological symptoms typical of migraines with motor weakness, and in some cases, may be persistent or recurrent despite medications.

Causes & Symptoms

Clinical Causes: Genetic mutations affecting ion channels in nerve cells Family history of hemiplegic migraine or other neurological disorders Environmental triggers such as stress, bright lights, or certain foods Hormonal changes, especially in women Certain medications that may influence neurological activity

Key Symptoms: Intense, throbbing headache often on one side of the head Temporary weakness or paralysis on one side of the body (hemiplegia) Sensory disturbances like numbness, tingling, or visual changes Speech difficulties or confusion during episodes Nausea and sensitivity to light or sound Potential for recurrent or prolonged attack episodes that are resistant to usual treatments

Diagnostic & Treatment

Diagnosis Path: Diagnosing hemiplegic migraine involves a comprehensive neurological evaluation, detailed patient history, and ruling out other conditions such as stroke or epilepsy. Healthcare providers may employ brain imaging techniques like MRI or CT scans to exclude other causes of neurological deficits. Additionally, genetic testing might be suggested due to the hereditary nature of some hemiplegic migraine types. Diagnostic criteria emphasize the pattern of unilateral neurological symptoms, migraine features, and symptom duration.

Treatment Protocols: Preventive medications such as calcium channel blockers, anticonvulsants, or certain antidepressants Acute treatments to alleviate symptoms during attacks, including pain relievers and anti-nausea drugs Avoidance of known triggers through lifestyle adjustments Use of supportive therapies like physical therapy for weakness and speech therapy if needed Close monitoring by a neurological specialist to modify treatment plans as necessary In some cases, emerging therapies like Botox or neuromodulation techniques may be considered

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is G43.41 a billable ICD-10 code?
Yes, G43.41 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report G43.41?
Clinical documentation must specify the nature of Hemiplegic migraine, intractable and any associated comorbidities for accurate reporting.

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