What does ICD-10 code G43.7 mean?

ICD-10 code G43.7 is the standardized code used for chronic migraine without aura in medical records and coding systems.

When is ICD-10 code G43.7 used?

Doctors, hospitals, and insurers may use ICD-10 code G43.7 when recording chronic migraine without aura in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code G43.7 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code G43.7: Chronic migraine without aura

Name: ICD-10 Code G43.7: Chronic migraine without aura
Creator: HealthAssure Clinical Team
Published: 2026-05-21T06:06:55.633Z

G43.7 is an ICD-10 diagnosis entry used to group records related to Chronic migraine without aura. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).

When is it used?

May be used when a clinician documents chronic migraine without aura in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

6Diseases of the nervous system (G00-G99)

block

G40-G47Episodic and paroxysmal disorders

Official coding notes

Inclusion terms

Transformed migraine

Excludes1 (do not code together)

migraine without aura (G43.0-)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

NeurologistGeneral Physician

Sibling codes

G43.0Migraine without aura G43.1Migraine with aura G43.4Hemiplegic migraine G43.5Persistent migraine aura without cerebral infarction G43.6Persistent migraine aura with cerebral infarction G43.ACyclical vomiting G43.BOphthalmoplegic migraine G43.CPeriodic headache syndromes in child or adult G43.DAbdominal migraine G43.8Other migraine G43.9Migraine, unspecified G43.EChronic migraine with aura

Coding guidelines

Common synonyms

Chronic migraine without aura

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.