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    v1.0.28
    OpenPayerBilling CodesEpisodic and paroxysmal disordersICD-10-CM g43-migraine-disorders
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    ICD-10-CM Code For Migraine: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group G43 includes migraine disorders, covering classic migraine with aura, migraine without aura, chronic migraine, and other specified migraine variants. These ICD-10-CM diagnosis codes are used to document clinical encounters for patients with recurrent headache syndromes, capturing features such as presence of aura, chronicity, and complications like status migrainosus. Accurate coding within the ICD-10-CM G43 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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    ICD-10-CM G43: Migraine Overview

    The ICD-10-CM G43 group includes migraine disorders, a type of episodic neurological headache disorder that primarily affects the central nervous system. These diagnoses target episodic and paroxysmal disorders characterized by recurrent headache attacks often with sensory disturbances. Accurate coding is important for appropriate reimbursement and to reflect clinical severity and treatment complexity.

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    When to Use

    Use a code from this group when documenting patient encounters for migraine headaches with specified features such as aura, chronicity, or complications like status migrainosus. Select the most specific code that reflects current clinical documentation including laterality when applicable and any associated neurological manifestations.

    ICD-10-CM Codes

    48 rows

    ICD-10-CM CodeDescription
    G43.001Migraine without aura, not intractable, with status migrainosus
    G43.009Migraine without aura, not intractable, without status migrainosus
    G43.011Migraine without aura, intractable, with status migrainosus
    G43.019Migraine without aura, intractable, without status migrainosus
    G43.101Migraine with aura, not intractable, with status migrainosus
    G43.109Migraine with aura, not intractable, without status migrainosus
    G43.111Migraine with aura, intractable, with status migrainosus
    G43.119Migraine with aura, intractable, without status migrainosus
    G43.401Hemiplegic migraine, not intractable, with status migrainosus
    G43.409Hemiplegic migraine, not intractable, without status migrainosus
    G43.411Hemiplegic migraine, intractable, with status migrainosus
    G43.419Hemiplegic migraine, intractable, without status migrainosus
    G43.501Persistent migraine aura without cerebral infarction, not intractable, with status migrainosus
    G43.509Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus
    G43.511Persistent migraine aura without cerebral infarction, intractable, with status migrainosus
    G43.519Persistent migraine aura without cerebral infarction, intractable, without status migrainosus
    G43.601Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus
    G43.609Persistent migraine aura with cerebral infarction, not intractable, without status migrainosus
    G43.611Persistent migraine aura with cerebral infarction, intractable, with status migrainosus
    G43.619Persistent migraine aura with cerebral infarction, intractable, without status migrainosus

    Showing 1–20 of 48

    DRG Codes

    2 rows

    DRG CodeDescription
    102Headaches with MCC
    103Headaches without MCC

    Typical Clinical Scenarios

    • A 28-year-old woman presents to the emergency department with sudden-onset, throbbing unilateral headache accompanied by nausea and photophobia that began this morning and has not responded to oral analgesics; she reports a history of similar episodic headaches occurring a few times per month but without persistent aura. An acute migraine attack without mention of aura is diagnosed and treated acutely; an ICD-10-CM code from this group is assigned to capture the current episodic exacerbation. Typical codes: G43.001, G43.009
    • A 42-year-old man seen in primary care for routine follow-up reports chronic recurrent headaches with visual disturbances lasting up to an hour before the headache starts and focal neurological symptoms that resolve between episodes; frequency is about one migraine every one to two weeks despite preventive therapy. This represents a recurrent migraine disorder with aura managed longitudinally, so a code indicating migraine with aura is assigned to document the ongoing episodic condition and guide longitudinal care. Typical codes: G43.111, G43.119
    • A 65-year-old woman with known ischemic stroke presents for inpatient evaluation after prolonged migraine with persistent hemiparesis and dysphasia considered a complicated migraine versus stroke-related migraine phenomena; neurology documents a migraine attack with neurological deficit that complicates the cerebrovascular disease. A code from this group denoting migraine with prolonged or complicated aura/neurological deficit is assigned to capture the migraine as a comorbidity affecting hospital course and discharge planning. Typical codes: G43.B0, G43.B1

    Related Codes

    G40-EPILEPSY-AND-RECURRENT-SEIZURES

    ICD-10-CM Code For Epilepsy And Recurrent Seizures: Group Overview

    G44-OTHER-HEADACHE-SYNDROMES

    ICD-10-CM Code For Other Headache Syndromes: Group Overview

    G45-TRANSIENT-CEREBRAL-ISCHEMIC-ATTACKS

    ICD-10-CM Code For Transient Cerebral Ischemic Attacks And Related Syndromes: Group Overview

    G46-VASCULAR-SYNDROMES-OF-BRAIN

    ICD-10-CM Code For Vascular Syndromes Of Brain In Cerebrovascular Diseases: Group Overview

    G47-SLEEP-DISORDERS

    ICD-10-CM Code For Sleep Disorders: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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