G51.9
BillableDisorder of facial nerve, unspecified
Disorder of facial nerve, unspecified
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(82)
SNOMED CT
- Facial nerve sensory disorder8443005
- Seventh cranial nerve autonomic disorder12056002
- Facial nerve motor disorder69501006
- Disorder of facial nerve422426003
- Disorder of seventh cranial nerve422426003
- Disorders of the VIIth cranial nerve422426003
- Disorders of the seventh nerve422426003
- Facial nerve disorder422426003
- Facial neuropathy422426003
- Disorder of left facial nerve16057951000119104
- Left facial neuropathy16057951000119104
- Disorder of right facial nerve16057431000119103
- Right facial neuropathy16057431000119103
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
Clinical Terms
- facial nerve palsies
- facial nerve disorder
- Disorder of left facial nerve
- Disorders of the VIIth cranial nerve
- Facial nerve motor disorder
- Facial cranial nerve disorders
- Left facial neuropathy
- CRANIAL NERVE VII DIS
- Neuropathy, Facial
- Facial nerve disorder NOS
- Disease, Facial Nerve
- Disorders of the seventh nerve
- Cranial Nerve VII Disorders
- Facial nerve disorder, unspecified
- FACIAL NERVE DIS
- Facial neuropathy
- Seventh cranial nerve autonomic disorder
- Diseases, Facial Nerve
- Right facial neuropathy
- Facial Nerve Disease
- Disorders, Facial Nerve
- Disorder of right facial nerve
- Facial nerve sensory disorder
- Facial Neuropathies
- Facial Nerve Diseases
- cranial nerve vii diseases
- SEVENTH CRANIAL NERVE DIS
- Facial nerve disorder (disorder)
- Disorder, Facial Nerve
- Neuropathies, Facial
- Seventh Cranial Nerve Diseases
- Disorder of seventh cranial nerve
Frequently Asked Questions
What is the ICD-10 code for disorder of facial nerve, unspecified?
The ICD-10-CM code for disorder of facial nerve, unspecified is G51.9. The full clinical description is "Disorder of facial nerve, unspecified". G51.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G51.9 mean?
ICD-10-CM code G51.9 represents “Disorder of facial nerve, unspecified”. 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 G51.9 a billable code?
Yes, G51.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G51.9 in?
G51.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G51.9?
G51.9 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 G51.9 map to?
G51.9 maps to 6 SNOMED CT concepts: 422426003, 16057951000119104, 16057431000119103, 69501006, 8443005, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G51.9?
G51.9 is linked to 1 UMLS Concept Unique Identifier: C0015464. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G51.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like disorder of facial nerve, unspecified 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 G51.9?
G51.9 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.