G51.8
BillableOther disorders of facial nerve
Other disorders of facial nerve
Coding Notes
Includes
Conditions included under this code
- disorders of 7th cranial nerve
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
- •neuralgia NOSM79.2
- •neuritis NOSM79.2
- •peripheral neuritis in pregnancyO26.82
- •radiculitis NOSM54.1
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(53)
SNOMED CT
- Abnormal nervous system function13028004
- Abnormal neurological function13028004
- Nervus intermedius disorder49734000
- Alajouanine syndrome63900005
- Alajouanine's syndrome63900005
- Risus caninus64314006
- Risus sardonicus64314006
- Compression of cranial nerve95664006
- Cranial nerve compression95664006
- Facial hemiatrophy95834000
- Facial trophoneurosis95834000
- Hemifacial atrophy95834000
- Compression facial neuropathy230545005
- Inflammatory facial neuropathy232267001
- Chorda tympani disorder347079002
- Chronic facial pain432615008
- Chronic pain in face432615008
- Familial trembling of chin718103001
- Hereditary chin trembling718103001
- Hereditary geniospasm718103001
- Persistent idiopathic facial pain785723001
- Dissociative neurological symptom disorder co-occurrent with facial spasm788909008
- Functional neurological symptom disorder with facial spasm788909008
- Cranial nerve 7 abnormal449991000124107
- Seventh cranial nerve abnormal449991000124107
- Facial neuralgia4151000119102
Clinical Terms
- Hemifacial atrophy
- Nervus intermedius disorder
- Cranial nerve compression
- Familial trembling of chin
- Compression facial neuropathy
- Facial trophoneurosis
- Dissociative neurological symptom disorder co-occurrent with facial spasm
- Chronic pain in face
- Hereditary geniospasm
- Functional neurological symptom disorder with facial spasm
- Risus caninus
- Facial hemiatrophy
- Abnormal nervous system function
- Alajouanine's syndrome
- Hereditary chin trembling
- Inflammatory facial neuropathy
- Chorda tympani disorder
- Risus sardonicus
- Abnormal neurological function
- Compression of cranial nerve
- Facial neuralgia
- Alajouanine syndrome
- Persistent idiopathic facial pain
- Chronic facial pain
- Cranial nerve 7 abnormal
- Seventh cranial nerve abnormal
Frequently Asked Questions
What is the ICD-10 code for other disorders of facial nerve?
The ICD-10-CM code for other disorders of facial nerve is G51.8. The full clinical description is "Other disorders of facial nerve". G51.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G51.8 mean?
ICD-10-CM code G51.8 represents “Other disorders of facial nerve”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.
Is G51.8 a billable code?
Yes, G51.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G51.8 in?
G51.8 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G51.8?
G51.8 has Excludes1 notes indicating codes that cannot be used together with it, including: current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region; neuralgia NOS (M79.2); neuritis NOS (M79.2); and 2 more.
What SNOMED CT codes does G51.8 map to?
G51.8 maps to 15 SNOMED CT concepts: 13028004, 63900005, 347079002, 432615008, 230545005, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G51.8?
G51.8 is linked to 1 UMLS Concept Unique Identifier: C0029616. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G51.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other disorders of facial nerve affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of G51.8?
G51.8 maps to the ICD-11 code: 8B88.Z (Disorders of facial nerve, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.