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G51.1

Billable

Geniculate ganglionitis

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Inflammation of the geniculate ganglion, a nerve structure in the facial nerve, causing facial pain and weakness.

Coding Tips

  • •This is a rare condition; ensure documentation clearly supports this diagnosis
  • •Document associated symptoms such as ear pain, taste changes, or facial paralysis

Excludes 1 — Do NOT code together

  • postherpetic geniculate ganglionitis (B02.21)

Code Hierarchy

└G51Facial nerve disorders└G51.1Geniculate ganglionitis
└G51.1Geniculate ganglionitis

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