Disorders of trigeminal nerve (G50) ICD-10-CM
The G50 code range covers disorders of trigeminal nerve with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- disorders of 5th cranial nerve
Codes in the G50 Range 5 codes · 4 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the G50 range.
Trigeminal Neuralgia
A syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longer in the sensory distribution of the TRIGEMINAL NERVE. Pain may be initiated by stimulation of trigger points on the face, lips, or gums or by movement of facial muscles or chewing. Associated conditions include MULTIPLE SCLEROSIS, vascular anomalies, ANEURYSMS, and neoplasms. (Adams et al., Principles of Neurology, 6th ed, p187)
About the G50 Code Range
These disorders involve the trigeminal nerve, within the broader group of nerve, nerve root, and plexus disorders.
The subdivisions distinguish trigeminal neuralgia (G50.0) from atypical facial pain (G50.1). They also provide codes for other trigeminal nerve disorders (G50.8) and an unspecified trigeminal nerve disorder (G50.9).
Questions About This Page
How many billable codes are in the G50 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the G50 range classify?
The range classifies disorders of trigeminal nerve. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
