All ICD10 Codes
G50Non-billable

Disorders of trigeminal nerve

Diseases of the Nervous System·Nerve, nerve root and plexus disorders (G50-G59)·category·FY 2026

Use a more specific code (4 billable)
G50.0Trigeminal neuralgiaG50.1Atypical facial painG50.8Other disorders of trigeminal nerveG50.9Disorder of trigeminal nerve, unspecified

CH6 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

G50-G59 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
  • neuralgia NOS (M79.2)
  • neuritis NOS (M79.2)
  • peripheral neuritis in pregnancy (O26.82-)
  • radiculitis NOS (M54.1-)

Instructional Notes

Includes
  • disorders of 5th cranial nerve

Clinical Hierarchy

BillableHas subcodes
CH6Diseases of the nervous system (G00-G99)
G50-G59Nerve, nerve root and plexus disorders (G50-G59)
G50Disorders of trigeminal nerveNot billable
G50.0Trigeminal neuralgiaBillable
G50.1Atypical facial painBillable
G50.8Other disorders of trigeminal nerveBillable
G50.9Disorder of trigeminal nerve, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.