VITiếng Việt
ICD-10 Vietnam

G50Disorders of trigeminal nerve

Code usage status

Primary diagnosis

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Apply only when it matches the confirmed diagnosis and the documented clinical record.

Specificity

Do not use G50 directly

Use the most specific code supported by the record.

Chapter VI
Diseases of the nervous system
Group G50-G59
Nerve, nerve root and plexus disorders
Official Vietnamese name
Rối loạn dây thần kinh sinh ba [tam thoa] [V]
Additional WHO coding guidance
Incl: disorders of 5th cranial nerve

Related G50 codes

G50.0 Primary diagnosis candidate Trigeminal neuralgia G50.1 Primary diagnosis candidate Atypical facial pain G50.8 Primary diagnosis candidate Other disorders of trigeminal nerve G50.9 Primary diagnosis candidate Disorder of trigeminal nerve, unspecified

Clinical record checklist

View coding guide →
  • Confirm that the code matches the final documented diagnosis.
  • Use one primary-diagnosis code and record only relevant additional conditions.
  • Review Ministry indicators, inclusions, exclusions and notes.
  • Do not infer a diagnosis beyond the clinical record.

2026 regulatory basis

Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.