G50.9 Disorder of trigeminal nerve, unspecified

Billable ICD-10-CM code, FY2026.

Applies from G50 Disorders of trigeminal nerve

Includes

• disorders of 5th cranial nerve

Risk adjustment (HCC)

• RxHCC V08: HCC 168 — Trigeminal and Postherpetic Neuralgia

MS-DRG index

Defines the logic of DRG(s) 073-074 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 350.9 Trigeminal nerve disorder, unspecified

Diagnosis Index entries for G50.9

• Disorder (of) › nerve › cranial › fifth
• Disorder (of) › nerve › trigeminal
• Lesion (s) (nontraumatic) › cranial nerve › fifth
• Lesion (s) (nontraumatic) › trigeminal nerve
• Paralysis, paralytic (complete) (incomplete) › nerve › trigeminal
• Paralysis, paralytic (complete) (incomplete) › paratrigeminal
• Paralysis, paralytic (complete) (incomplete) › trigeminal nerve

Nearby codes

• G50 Disorders of trigeminal nerve
• G50.0 Trigeminal neuralgia
• G50.1 Atypical facial pain
• G50.8 Other disorders of trigeminal nerve
• G50.9 Disorder of trigeminal nerve, unspecified (this code)