G50.0 Trigeminal neuralgia

Billable ICD-10-CM code, FY2026.

Applicable to

• Syndrome of paroxysmal facial pain
• Tic douloureux

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)

• 350.1 Trigeminal neuralgia

Code annotations containing back-references to G50.0

Back-references to G50.0

• Type 2 Excludes: G44 Other headache syndromes ("trigeminal neuralgia (G50.0)")
• Type 2 Excludes: R51 Headache ("trigeminal neuralgia (G50.0)")

Diagnosis Index entries for G50.0

• Neuralgia, neuralgic (acute) › trigeminal
• Spasm (s), spastic, spasticity › nerve, trigeminal
• Syndrome › facial pain, paroxysmal
• Syndrome › paroxysmal facial pain
• Tic (disorder) › douloureux

Nearby codes

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