G51
Non-billableFacial nerve disorders
Facial nerve disorders
This is a header/category code. For billing purposes, use a more specific child code from the list below.
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
Child Codes (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(38)
UMLS
- CRANIAL NERVE VII DISC0015464
- Cranial Nerve VII DiseasesC0015464
- Cranial Nerve VII DisordersC0015464
- Disease, Facial NerveC0015464
- Diseases, Facial NerveC0015464
- Disorder of facial nerveC0015464
- Disorder of facial nerve, unspecifiedC0015464
- Disorder of seventh cranial nerveC0015464
- Disorder, Facial NerveC0015464
- Disorders of the VIIth cranial nerveC0015464
- Disorders of the seventh nerveC0015464
- Disorders, Facial NerveC0015464
- FACIAL NERVE DISC0015464
- Facial Nerve DiseaseC0015464
- Facial Nerve DiseasesC0015464
- Facial Nerve DisorderC0015464
- Facial Nerve DisordersC0015464
- Facial NeuropathiesC0015464
- Facial NeuropathyC0015464
- Facial cranial nerve disordersC0015464
- Facial nerve disorderC0015464
- Facial nerve disorder (disorder)C0015464
- Facial nerve disorder NOSC0015464
- Facial nerve disorder, unspecifiedC0015464
- Facial nerve disordersC0015464
- Facial neuropathyC0015464
- Neuropathies, FacialC0015464
- Neuropathy, FacialC0015464
- SEVENTH CRANIAL NERVE DISC0015464
- Seventh Cranial Nerve DiseasesC0015464
- cranial nerve vii diseasesC0015464
- facial nerve diseaseC0015464
- facial nerve diseasesC0015464
- facial nerve disorderC0015464
- facial nerve disordersC0015464
- facial nerve palsiesC0015464
- facial neuropathyC0015464
- disorders of 7th cranial nerveC4290123
Frequently Asked Questions
What is the ICD-10 code for facial nerve disorders?
The ICD-10-CM code for facial nerve disorders is G51. The full clinical description is "Facial nerve disorders". G51 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code G51 mean?
ICD-10-CM code G51 represents “Facial nerve disorders”. It is classified under Chapter 6: Diseases of the Nervous System and is a non-billable header code. Use a more specific child code for billing purposes.
Is G51 a billable code?
No, G51 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under G51.
What chapter is G51 in?
G51 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G51?
G51 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 are the subcategories under G51?
G51 has 7 child codes, including: G51.0 (Bell's palsy), G51.1 (Geniculate ganglionitis), G51.2 (Melkersson's syndrome), G51.3 (Clonic hemifacial spasm), and 3 more.
What are the UMLS CUIs for G51?
G51 is linked to 2 UMLS Concept Unique Identifiers: C0015464, C4290123. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G51 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like facial nerve disorders 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?
G51 maps to the ICD-11 code: 8B88.Z (Disorders of facial nerve, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.