G43.909 Migraine, unspecified, not intractable, without status migrainosus

The ICD-10-CM code for Migraine, unspecified, not intractable, without status migrainosus is G43.909 (FY2026). It is a billable, claim-ready diagnosis code.

Choosing between codes? See the guide: ICD-10 code for migraine.

Classification

Chapter

6: Diseases of the nervous system (G00-G99)

Section

G40-G47: Episodic and paroxysmal disorders (G40-G47)

Category G43

82 codes (48 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G43.909:

• Migraine (idiopathic)
• Migraine (idiopathic) › not intractable
• Headache › migraine (type)
• Hemicrania › meaning migraine
• Migraine (idiopathic) › without refractory migraine
• Syndrome › migraine
• Migraine (idiopathic) › not intractable › without status migrainosus
• Migraine (idiopathic) › without refractory migraine › without status migrainosus

Inclusion Terms

• Migraine NOS

U.S. Hospital Utilization

• An estimated 495,945 U.S. inpatient stays in 2023 included G43.909 among the documented diagnoses.
• 8,930 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Prevalence & Statistics

• In 2021, 4.3% of U.S. adults aged 18 and older reported being bothered a lot by headache or migraine in the past 3 months, with a higher rate among women (6.2%) than men (2.2%). (CDC/NCHS MMWR QuickStats, National Health Interview Survey, 2021, 2021)

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)
• CDC/NCHS MMWR QuickStats, National Health Interview Survey, 2021 (2021)

Cite This Page

Reference G43.909 with the canonical source and edition:

G43.909 — Migraine, unspecified, not intractable, without status migrainosus. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G43.909

Canonical URL: https://icd10codingpro.com/codes/G43.909