G43.40
Non-Billable
ChapterG00–G99
Ranksubcategory
Official Description
Hemiplegic migraine, not intractable
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 6: Diseases of the Nervous System (G00-G99).
Instructional Notes
Includes
- Hemiplegic migraine without refractory migraine
General instructions are available for the parent sections:
Clinical Hierarchy
CH6Diseases of the nervous system (G00-G99)
G40-G47Episodic and paroxysmal disorders (G40-G47)
G43Migraine
G43.4Hemiplegic migraine
G43.40Hemiplegic migraine, not intractable
G43.401Hemiplegic migraine, not intractable, with status migrainosus
G43.409Hemiplegic migraine, not intractable, without status migrainosus
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to G43.40:
Alphabetic Index Mentions
These are Diagnosis Index lookup paths that route to G43.40. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
7 raw paths
Migraine (idiopathic)7 unique routes
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
Find Procedures (ICD-10-PCS)
Find surgical and procedural codes related to Hemiplegic migraine, not intractable.
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