DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G50 Disorders of trigeminal nerve

  • Header · not billable

G50 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Auriculotemporal syndrome → G50.8
  • Syndromeauriculotemporal → G50.8
  • Tic (disorder)douloureux → G50.0

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G50-G59 Nerve, nerve root and plexus disorders (G50-G59)
  3. G50 Disorders of trigeminal nerve
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
27

Codes in G50

  1. G50.0
    Trigeminal neuralgia
    Billable
    Inclusion terms 2

    Inclusion terms

    • Syndrome of paroxysmal facial pain
    • Tic douloureux
  2. G50.1
    Atypical facial pain
    Billable
  3. G50.8
    Other disorders of trigeminal nerve
    Billable
  4. G50.9
    Disorder of trigeminal nerve, unspecified
    Billable

Sources of each column.

Instructions

At G50

Includes

  • disorders of 5th cranial nerve

Notes that also apply

Block G50-G59 instructions (Excludes1 5): printed on the block page.

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Auriculotemporal syndrome → G50.8
  • Neuralgia, neuralgic (acute)trigeminal → G50.0
  • Spasm(s), spastic, spasticitynerve, trigeminal → G50.0
  • Syndromefacial pain, paroxysmal → G50.0
  • Syndromeparoxysmal facial pain → G50.0
  • Tic (disorder)douloureux → G50.0
  • Frey's syndromeauriculotemporal → G50.8
  • Lesion(s) (nontraumatic)gasserian ganglion → G50.8
  • Neuropathy, neuropathictrigeminal sensory → G50.8
  • Syndromeauriculotemporal → G50.8
  • Syndromegustatory sweating → G50.8
  • Lesion(s) (nontraumatic)trigeminal nerve → G50.9
  • Paralysis, paralytic (complete) (incomplete)paratrigeminal → G50.9
  • Paralysis, paralytic (complete) (incomplete)trigeminal nerve → G50.9
  • Neuritis (rheumatoid)cranial nervefifth or trigeminal → G50.-
  • Pain(s)face, facialatypical → G50.1
  • Tic (disorder)douloureuxatypical → G50.1
  • Atrophy, atrophic (of)nervetrigeminal → G50.8
  • Compressioncranial nervefifth → G50.8
  • Disorder (of)nerveauriculotemporal → G50.8
  • SyndromeFrey'sauriculotemporal → G50.8
  • Disorder (of)nervetrigeminal → G50.9
  • Lesion(s) (nontraumatic)cranial nervefifth → G50.9
  • Paralysis, paralytic (complete) (incomplete)nervetrigeminal → G50.9
  • Atrophy, atrophic (of)nervecranialfifth (trigeminal) → G50.8
  • Disorder (of)nervetrigeminalspecified NEC → G50.8
  • Disorder (of)nervecranialfifth → G50.9

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy