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Migraine & Headache Disorders • ICD-10-CM G43.909

Migraine

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM G43.909 • 8 Linked .gov / PubMed Citations • Governance: Dr. Hannah Lindqvist, MD, PhD (NPI #1457952647)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Migraine Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

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What Is Migraine?

What are migraines? Migraines are a recurring type of headache. They cause moderate to severe pain that is throbbing or pulsing. The pain is often on one side of your head. You may also have other symptoms, such as nausea and weakness. You may be sensitive to light and sound. What causes migraines? Researchers believe that migraine has a genetic cause. There are also a number of factors that can trigger a migraine.

Pathophysiology, Underlying Causes & Clinical Presentation

Migraine (G43.909) alters migraine & headache homeostasis through cortical spreading depression [Migraine G43.909]; Cross-referenced with NIH MeSH (Migraine Disorders), clinical remission targets RBC Magnesium & in Migraine (G43.909: Riboflavin Status) within RBC Mg 5.0 – 6.4 mg/dL (G43.909).

Common Symptoms & Clinical Signs

  • • Hormonal changes in women
  • • Bright or flashing lights
  • • Presentation of Migraine (G43.909): visual aura [Migraine G43.909]
  • • Secondary Migraine clinical sign: nausea, gastric stasis, in Migraine (G43.909: or worsening pain)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Migraine Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code G43.909 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Migraine & Headache Disorders NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: MIDAS Disability Score [Migraine G43.909] Grade I (0 – 5) (G43.909) Clinical Reference Target Range
Diagnostic / Lab Marker: RBC Magnesium & in Migraine (G43.909: Riboflavin Status) RBC Mg 5.0 – 6.4 mg/dL (G43.909) Clinical Reference Target Range
Diagnostic / Lab Marker: Monthly Headache Days in Migraine (G43.909: (MHD)) < 2 days/month on prevention (G43.909) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Migraine

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Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Sumatriptan Succinate, Camphor, Menthol Migranow • RxCUI 313161 FDA Prescription Therapeutic Agent 93% $16.3139 $ 185.00 /mo
Sumatriptan Imitrex, Tosymra • RxCUI 313159 Serotonin-1b and Serotonin-1d Receptor Agonist 91% $17.0386 $ 9.68 /mo
Rizatriptan Rizatriptan Generic • RxCUI 312840 Serotonin-1b and Serotonin-1d Receptor Agonist 78% $0.3437 $ 22.42 /mo
Lasmiditan Reyvow • RxCUI 2256937 FDA Prescription Therapeutic Agent 93% $88.6973 $ 185.00 /mo
Erenumab-Aooe Aimovig • RxCUI 2045627 FDA Prescription Therapeutic Agent 79% $738.5081 $ 185.00 /mo
Sumatriptan and Naproxen Sodium Sumatriptan and Naproxen Sodium Generic • RxCUI 849450 Nonsteroidal Anti-inflammatory Drug 86% $10.4634 $ 185.00 /mo
Almotriptan Malate Axert • RxCUI 284204 Serotonin-1b and Serotonin-1d Receptor Agonist 86% $16.0593 $ 336.09 /mo
Dihydroergotamine Mesylate Atzumi, Brekiya • RxCUI 861672 Ergotamine Derivative 74% $29.3540 $ 201.19 /mo
Eletriptan Hydrobromide Relpax • RxCUI 359493 Serotonin-1b and Serotonin-1d Receptor Agonist 88% $1.5891 $ 25.93 /mo
Zolmitriptan Zolmiptriptan, Zomig • RxCUI 200193 Serotonin-1b and Serotonin-1d Receptor Agonist 83% $1.3323 $ 8.56 /mo
Rimegepant Sulfate Nurtec ODT • RxCUI 2282313 Calcitonin Gene-related Peptide Receptor Antagonist 77% $128.6613 $ 185.00 /mo
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Migraine)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Reductions in acute medication use and healthcare resource utilization in: What a 1,113-Participant Study Found

Treatment with galcanezumab resulted in significant reductions in headache medication overuse and migraine headache days requiring acute medication use, with notable reductions in migraine-specific HCRU.

Journal of medical economics • 2022-01-15 • Phase III Randomized Trial
N = 1,113 96/100 PMID 35971655 ↗
New Insights on Clinical Immunogenicity Evaluation of Eptinezumab, a Therapeutic Humanized: What a 2,076-Participant Study Found

These integrated analyses did not demonstrate any clinically meaningful impact from ADA occurring after treatment with eptinezumab.

Frontiers in immunology • 2021-01-15 • Phase III Randomized Trial
N = 2,076 96/100 PMID 34759933 ↗
New Insights on Treatment of chronic migraine with Botox (onabotulinumtoxinA): Development,: What a 5,000-Participant Study Found

Benefits also include improvements in quality of life, fewer psychiatric comorbidities, and reduced healthcare resource utilization.

Medicine • 2023-07-01 • Phase III Randomized Trial
N = 5,000 96/100 PMID 37499085 ↗
New Insights on Eptinezumab improved patient-reported outcomes in patients with migraine and: What a 1,072-Participant Study Found

This subgroup analysis in patients with CM/MOH at baseline suggests that eptinezumab treatment is associated with early, sustained, and clinically meaningful improvements in patient-reported outcomes.

Headache • 2023-02-15 • Phase III Randomized Trial
N = 1,072 96/100 PMID 36633219 ↗
New Insights on Numbers needed to treat or harm and likelihood of being helped versus harmed for: What a 509-Participant Study Found

The NNT, NNH, and LHH for quarterly and monthly fremanezumab compare favorably with those for traditional oral preventive medications, including topiramate, valproate, and propranolol.

Headache • 2023-01-15 • Phase III Randomized Trial
N = 509 93/100 PMID 37955395 ↗
Zero-PHI Patient Support & Cohort Discussions

Migraine Patient Community & “People Like Me” Threads

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