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ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 G43.809

Billable / Specific

Other migraine, not intractable, without status migrainosus

G43

Block

0

Synonyms

475

LCDs

22

Payer Policies

25

Linked CPTs

About ICD-10-CM G43.809

ICD-10-CM code G43.809 represents Other migraine, not intractable, without status migrainosus. This is a billable/specific code in the Nervous System chapter (block G43). The 2026 edition of ICD-10-CM G43.809 became effective on October 1, 2025.

Medicare LCD Coverage for G43.809

Local Coverage Determinations (LCDs) from CMS MACs that list G43.809 as a covered diagnosis.

475 LCDs

Showing top 10 of 475 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8918 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8936 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8910 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT 70548 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8913 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8912 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8914 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT 70547 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8901 →

CMS LCD: Billing and Coding: Magnetic Resonance Angiography

Article ID: 56775, Effective: 2025-10-01 00:00:00, 1311 covered, 0 non-covered

CPT C8902 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing G43.809.

22 policies

2 Cigna

Headache, Occipital, and/or Trigeminal Neuralgia Treatment - (0063)

Policy ID: MM_0063

Peripheral Nerve Destruction for Pain Conditions - (0525) ---- future effective policy

Policy ID: MM_0525

5 Medicare

Billing and Coding: Home Health Occupational Therapy

Policy ID: ART-53057

Billing and Coding: Visual Fields Testing

Policy ID: ART-56551

Billing and Coding: CT of the Head

Policy ID: ART-56612

Billing and Coding: Nerve Conduction Studies and Electromyography

Policy ID: ART-56619

Billing and Coding: Magnetic Resonance Angiography

Policy ID: ART-56775

CPT Codes Commonly Billed with G43.809

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

25 linkages

95165 Botox injection for migraine — chronic migraine, migraine with aura, migraine without aura, menstrual migraine, other migraine, headache Neurology
64615 Chemodenervation for migraine/spasticity — chronic migraine, migraine variants, Bell palsy, spasmodic torticollis, muscle spasm, tremor Neurology
46505 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
64647 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
43201 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
64645 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
43236 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
J0589 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
64612 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD
64642 CMS LCD: Billing and Coding: Botulinum Toxin Injections CMS LCD

Convert G43.809 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10	ICD-9	Mapping Flags
G43.809	34620	10000
G43.809	34680	10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

Codes Adjacent To G43.809

Other codes in section G40-G47 (Episodic and paroxysmal disorders).

G40 Epilepsy and recurrent seizures (non-billable) G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset (non-billable) G40.00 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable (non-billable) G40.001 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus G40.009 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, without status epilepticus G40.01 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable (non-billable) G40.011 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, with status epilepticus G40.019 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus G40.1 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures (non-billable) G40.10 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable (non-billable) G40.101 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, with status epilepticus G40.109 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus G40.11 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable (non-billable) G40.111 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, with status epilepticus G40.119 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, intractable, without status epilepticus G40.2 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures (non-billable) G40.20 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable (non-billable) G40.201 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, with status epilepticus G40.209 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, not intractable, without status epilepticus G40.21 Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with complex partial seizures, intractable (non-billable)

ICD-10 G43.809, Billing FAQ

Is ICD-10 code G43.809 billable? +

Yes, G43.809 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with G43.809? +

Procedures frequently paired with G43.809 include: 95165, 64615, 46505, 64647, 43201.

What ICD-9 codes does G43.809 map to? +

Per CMS GEMs, G43.809 maps to ICD-9 codes: 34620, 34680. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on July 16, 2026.

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