G51.4
BillableFacial myokymia
Facial myokymia
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(48)
SNOMED CT
- Facial myokymia1070000
- Facial myokymia (muscle quivering)1070000
- Myokymia27678003
- Superior oblique myokymia246781001
- Benign facial fasciculation423952006
- Myokymia of eyelid726408005
- FDFM - familial dyskinesia and facial myokymia763352005
- Familial dyskinesia and facial myokymia763352005
- Disorder of extraocular muscle of left eye339311000119107
- Myopathy of extraocular muscle of left eye339311000119107
- Disorder of extraocular muscle of right eye333711000119106
- Myopathy of extraocular muscle of right eye333711000119106
- Myokymia of left facial muscle16027111000119103
- Myokymia of left superior oblique muscle15983991000119100
- Myokymia of right facial muscle16027071000119105
- Myokymia of right superior oblique muscle15984031000119101
UMLS
- Facial MyokymiaC0270871
- Facial MyokymiasC0270871
- Facial myokymiaC0270871
- Facial myokymia (finding)C0270871
- Facial myokymia (muscle quivering)C0270871
- Involuntary facial contractionC0270871
- Involuntary facial quiveringC0270871
- Myokymia, FacialC0270871
- Myokymias, FacialC0270871
- facial myokymiaC0270871
- facial myokymiasC0270871
Clinical Terms
- Myokymia of right superior oblique muscle
- Myopathy of extraocular muscle of left eye
- Myokymias, Facial
- Disorder of extraocular muscle of left eye
- Facial myokymia (finding)
- Myokymia, Facial
- facial myokymias
- Myokymia of left facial muscle
- Myopathy of extraocular muscle of right eye
- Facial myokymia (muscle quivering)
- Superior oblique myokymia
- Involuntary facial contraction
- Myokymia of right facial muscle
- Familial dyskinesia and facial myokymia
- Myokymia of left superior oblique muscle
- Disorder of extraocular muscle of right eye
- Myokymia of eyelid
- FDFM - familial dyskinesia and facial myokymia
- Myokymia
- Involuntary facial quivering
- Benign facial fasciculation
Frequently Asked Questions
What is the ICD-10 code for facial myokymia?
The ICD-10-CM code for facial myokymia is G51.4. The full clinical description is "Facial myokymia". G51.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G51.4 mean?
ICD-10-CM code G51.4 represents “Facial myokymia”. 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 G51.4 a billable code?
Yes, G51.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G51.4 in?
G51.4 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G51.4?
G51.4 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 G51.4 map to?
G51.4 maps to 12 SNOMED CT concepts: 423952006, 339311000119107, 333711000119106, 763352005, 1070000, and 7 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G51.4?
G51.4 is linked to 1 UMLS Concept Unique Identifier: C0270871. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G51.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like facial myokymia 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 G51.4?
G51.4 maps to the ICD-11 code: 8B88.1 (Facial myokymia).
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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.