G43.01 is the authoritative medical code for Migraine without aura, intractable. This classification is used in medical billing and clinical recording to specify the clinical criteria for migraine without aura, intractable (ICD-10-CM G43.01), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Migraine without aura, intractable is a non-billable ICD-10-CM category code G43.01. A more specific billable subcode must be selected for claims submission. Inclusion terms: Migraine without aura with refractory migraine. Excludes1 (not coded here): chronic migraine without aura G43.7-; lower half migraine G44.00. Excludes2 (not included here): headache NOS R51.9; headache syndromes G44.-. Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G43.01 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Migraine without aura with refractory migraine
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- chronic migraine without aura G43.7-
- lower half migraine G44.00
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- headache NOS R51.9
- headache syndromes G44.-
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can G43.01 be billed directly?
No. G43.01 (Migraine without aura, intractable) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with G43.01?
Per Excludes1 instructions, G43.01 must not be reported with: chronic migraine without aura (G43.7-); lower half migraine (G44.00).
Can G43.01 be reported alongside related conditions?
Per Excludes2 instructions, G43.01 and the following may both be reported when both are present: headache NOS (R51.9); headache syndromes (G44.-).
Is an additional code needed with G43.01?
Use additional code(s) to specify: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
What conditions are included under G43.01?
Migraine without aura, intractable includes: Migraine without aura with refractory migraine.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as G43.01, with their registry titles.
- G43 — Migraine
- G43.0 — Migraine without aura
- G43.00 — Migraine without aura, not intractable
- G43.001 — Migraine without aura, not intractable, with status migrainosus
- G43.009 — Migraine without aura, not intractable, without status migrainosus
- G43.011 — Migraine without aura, intractable, with status migrainosus
- G43.019 — Migraine without aura, intractable, without status migrainosus
- G43.1 — Migraine with aura
- G43.10 — Migraine with aura, not intractable
- G43.101 — Migraine with aura, not intractable, with status migrainosus
- G43.109 — Migraine with aura, not intractable, without status migrainosus
- G43.11 — Migraine with aura, intractable
- G43.111 — Migraine with aura, intractable, with status migrainosus
- G43.119 — Migraine with aura, intractable, without status migrainosus
- G43.4 — Hemiplegic migraine
- G43.40 — Hemiplegic migraine, not intractable
- G43.401 — Hemiplegic migraine, not intractable, with status migrainosus
- G43.409 — Hemiplegic migraine, not intractable, without status migrainosus
- G43.41 — Hemiplegic migraine, intractable
- G43.411 — Hemiplegic migraine, intractable, with status migrainosus
- G43.419 — Hemiplegic migraine, intractable, without status migrainosus
- G43.5 — Persistent migraine aura without cerebral infarction
- G43.50 — Persistent migraine aura without cerebral infarction, not intractable
- G43.501 — Persistent migraine aura without cerebral infarction, not intractable, with status migrainosus
- G43.509 — Persistent migraine aura without cerebral infarction, not intractable, without status migrainosus
- G43.51 — Persistent migraine aura without cerebral infarction, intractable
- G43.511 — Persistent migraine aura without cerebral infarction, intractable, with status migrainosus
- G43.519 — Persistent migraine aura without cerebral infarction, intractable, without status migrainosus
- G43.6 — Persistent migraine aura with cerebral infarction
- G43.60 — Persistent migraine aura with cerebral infarction, not intractable
- G43.601 — Persistent migraine aura with cerebral infarction, not intractable, with status migrainosus
- G43.609 — Persistent migraine aura with cerebral infarction, not intractable, without status migrainosus
- G43.61 — Persistent migraine aura with cerebral infarction, intractable
- G43.611 — Persistent migraine aura with cerebral infarction, intractable, with status migrainosus
- G43.619 — Persistent migraine aura with cerebral infarction, intractable, without status migrainosus
- G43.7 — Chronic migraine without aura
- G43.70 — Chronic migraine without aura, not intractable
- G43.701 — Chronic migraine without aura, not intractable, with status migrainosus
- G43.709 — Chronic migraine without aura, not intractable, without status migrainosus
- G43.71 — Chronic migraine without aura, intractable
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code G40.01
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable