Emergency: 119
AMDA-IMIC

G50 Disorders of trigeminal nerve

Category / Non-billable header 4 subcodes

Block: Nerve, nerve root and plexus disorders (G50-G59)

Includes

  • disorders of 5th cranial nerve

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
G50..0 Trigeminal neuralgia Yes
G50..1 Atypical facial pain Yes
G50..8 Other disorders of trigeminal nerve Yes
G50..9 Disorder of trigeminal nerve, unspecified Yes

Last reviewed: September 2026