G43 Migraine
Get what a quick lookup can't: the AI assistant for official-guideline questions, HCC risk-adjustment mappings (CMS-HCC V24/V28, RxHCC), FDA drug indications, and AHA Coding Clinic references for G43.
The ICD-10-CM code for Migraine is G43 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Section
- G40-G47: Episodic and paroxysmal disorders (G40-G47)
- Category G43
- 82 codes (48 billable)
- FY2026 Status
- Stable since FY2024
Notes
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
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
Cite This Page
Reference G43 with the canonical source and edition:
G43 — Migraine. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/G43
Canonical URL: https://icd10codingpro.com/codes/G43