G51.1 Geniculate ganglionitis

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• postherpetic geniculate ganglionitis (B02.21)

Applies from G51 Facial nerve disorders

Includes

• disorders of 7th cranial nerve

MS-DRG index

Defines the logic of DRG(s) 073-074 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 351.1 Geniculate ganglionitis

Diagnosis Index entries for G51.1

• Ganglionitis › geniculate
• Neuralgia, neuralgic (acute) › facialis vera
• Neuritis (rheumatoid) › geniculate ganglion
• Syndrome › ganglion (basal ganglia brain) › geniculi

Nearby codes

• G51 Facial nerve disorders
• G51.0 Bell's palsy
• G51.1 Geniculate ganglionitis (this code)
• G51.2 Melkersson's syndrome
• G51.3 Clonic hemifacial spasm
• G51.31 Clonic hemifacial spasm, right
• G51.32 Clonic hemifacial spasm, left
• G51.33 Clonic hemifacial spasm, bilateral