G50.1 Atypical facial pain

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)

• 350.2 Atypical face pain

Code annotations containing back-references to G50.1

Back-references to G50.1

• Type 2 Excludes: G44 Other headache syndromes ("atypical facial pain (G50.1)")
• Type 2 Excludes: G89 Pain, not elsewhere classified ("atypical face pain (G50.1)")
• Type 2 Excludes: R51 Headache ("atypical face pain (G50.1)")

Diagnosis Index entries for G50.1

• Pain (s) › face, facial › atypical
• Tic (disorder) › douloureux › atypical

Nearby codes

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