ICD-10-CM 2027
ICD-10 code for Facialis vera neuralgia
From the official ICD-10-CM alphabetic index entry “Neuralgia, neuralgic (acute) › facialis vera”. Page updated September 29, 2026.
About coding Facialis vera neuralgia
The ICD-10-CM code for Facialis vera neuralgia is G51.1 (Geniculate ganglionitis).
Within G51 (facial nerve disorders), G51.1 is specifically for geniculate ganglionitis. Related codes cover Bell's palsy (G51.0), Melkersson's syndrome (G51.2), Clonic hemifacial spasm (G51.3), facial myokymia (G51.4), other disorders of facial nerve (G51.8) and disorder of facial nerve, unspecified (G51.9).
Don't report G51.1 together with the conditions in its Excludes1 note: postherpetic geniculate ganglionitis (B02.21).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for G51.1)
- postherpetic geniculate ganglionitis (B02.21)
Common questions about Facialis vera neuralgia ICD-10 codes
What is the ICD-10 code for Facialis vera neuralgia?
- G51.1 — Geniculate ganglionitis.
Is G51.1 billable?
- Yes. G51.1 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can G51.1 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict G51.1 as a principal diagnosis.
Is G51.1 a CC or MCC?
- No. G51.1 is neither a CC nor an MCC under MS-DRG v44.0.