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ICD-10-CM Code G51.1
Geniculate ganglionitis

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

G51.1 is a billable ICD code used to specify a diagnosis of geniculate ganglionitis. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code G511 is used to code Geniculate ganglionitis

Geniculate ganglionitis or Geniculate Neuralgia (GN), also called nervus intermedius neuralgia, is a rare disorder that involves severe pain deep in the ear, that may spread to the ear canal, outer ear, mastoid or eye regions. GN may also occur in combination with trigeminal or glossopharyngeal neuralgia. The pain of GN is sharp, shooting or burning and can last for hours. Painful attacks can be triggered by cold, noise, swallowing or touch, but triggers are usually unique to the sufferer. Other related symptoms that may be experienced include increased salivation, bitter taste, tinnitus and vertigo. This disorder usually occurs in young to middle-aged adults, and more commonly in women. Geniculate Neuralgia may be caused by compression of somatic sensory branch of cranial nerve VII which goes through the nervus intermedius. In sufferers of GN, signals sent along these nerves are altered and interpreted by the geniculate ganglion (a structure in the brain) as GN pain. GN may also develop following herpes zoster oticus (Ramsay Hunt syndrome), where cold sores occur on the ear drum or ear. This may also be associated with facial paresis (weakness), tinnitus, vertigo and deafness.

ICD 9 Code: 351.1
Source: Wikipedia

Coding Notes for G51.1 Info for medical coders on how to properly use this ICD-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Postherpetic geniculate ganglionitis - instead, use code B02.21

MS-DRG Mapping

  • DRG Group #073-074 - Cranial and peripheral nerve disorders with MCC.
  • DRG Group #073-074 - Cranial and peripheral nerve disorders without MCC.

ICD-10-CM Alphabetical Index References for 'G51.1 - Geniculate ganglionitis'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G51.1. Click on any term below to browse the alphabetical index.


Geniculate ganglionitis (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 351.1 was previously used, G51.1 is the appropriate modern ICD10 code.

Parent Code: G51 - Facial nerve disorders

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/G511