G50.8
Other disorders of trigeminal nerve
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
RxHCC V08
RXHCC168
Trigeminal and Postherpetic Neuralgia
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Inherited from G50Disorders of trigeminal nerve
Includes
disorders of 5th cranial nerve
Inherited from G50-G59Nerve, nerve root and plexus disorders
Inherited from chapter 6Diseases of the nervous system
Excludes 2
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)
Official Guidelines for G50.8
FY 2026 ›Find G50.8 in the alphabetic index
12 index paths lead to this code
- Auriculotemporal syndrome
- Frey's syndrome › auriculotemporal
- Lesion › gasserian ganglion
- Neuropathy, neuropathic › trigeminal sensory
- Syndrome › auriculotemporal
- Syndrome › gustatory sweating
- Atrophy, atrophic › nerve › trigeminal
- Compression › cranial nerve › fifth
- Disorder › nerve › auriculotemporal
- Syndrome › Frey's › auriculotemporal
- Atrophy, atrophic › nerve › cranial › fifth
- Disorder › nerve › trigeminal › specified NEC