G50.8

Other disorders of trigeminal nerve

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 13 never code together

Excludes1

current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
neuralgia NOS (M79.2)M79.2
neuritis NOS (M79.2)M79.2
peripheral neuritis in pregnancy (O26.82-)O26.82-
radiculitis NOS (M54.1-)M54.1-

Excludes2

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

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1

G50code

Includes

Index entries leading here 8

Atrophy, atrophic (of)
- nerve — see also Disorder, nerve
  - cranial G52.9
    - fifth (trigeminal) G50.8
  - trigeminal G50.8
Frey's syndrome
- auriculotemporal G50.8
Disorder (of) — see also Disease
- nerve G58.9
  - auriculotemporal G50.8
  - trigeminal G50.9
    - specified NEC G50.8
Syndrome — see also Disease
- auriculotemporal G50.8
- Frey's
  - auriculotemporal G50.8
- gustatory sweating G50.8
Auriculotemporal syndrome G50.8
Compression
- cranial nerve G52.9
  - fifth G50.8
Lesion (s) (nontraumatic)
- gasserian ganglion G50.8
Neuropathy, neuropathic G62.9
- trigeminal sensory G50.8

Alongside this code 3 same parent — G50

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Present FY2024–FY2027.