G43.709 — Chronic migraine without aura, not intractable, without status migrainosus
G43.709

What this code means
Chronic migraine means headache on 15 or more days a month for over three months, with migraine features on at least 8 days.
Also called: chronic migraine.
When this code is used
Used for chronic migraine without aura, not intractable, without status migrainosus.
Where it sits in ICD-10-CM
Code G43.709 belongs to Chapter 6: Diseases of the nervous system, which covers codes G00–G99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Frequently asked questions
What is ICD-10-CM code G43.709?
G43.709 is the ICD-10-CM diagnosis code for “Chronic migraine without aura, not intractable, without status migrainosus”. Chronic migraine means headache on 15 or more days a month for over three months, with migraine features on at least 8 days.
When is code G43.709 used?
Used for chronic migraine without aura, not intractable, without status migrainosus. It belongs to Chapter 6 of ICD-10-CM (Diseases of the nervous system).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.
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