G50.0
BillableTrigeminal neuralgia
Trigeminal neuralgia
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Syndrome of paroxysmal facial pain
- Tic douloureux
Includes
Conditions included under this code
- disorders of 5th 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(3)
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
- Nasociliary neuralgia31490007
- Fothergill's neuralgia31681005
- TN - Trigeminal neuralgia31681005
- Tic douloureux31681005
- Trifacial neuralgia31681005
- Trigeminal neuralgia31681005
- Fifth cranial nerve finding106155008
- Trigeminal nerve finding106155008
- Idiopathic trigeminal neuralgia230537000
- Secondary trigeminal neuralgia230538005
- Idiopathic trigeminal neuropathy230540000
- Disorder of left trigeminal nerve16057991000119109
- Left trigeminal neuropathy16057991000119109
- Disorder of right trigeminal nerve16058031000119107
- Right trigeminal neuropathy16058031000119107
- Left trigeminal neuralgia12242071000119103
- Right trigeminal neuralgia12242111000119105
UMLS
- Disease, FothergillC0040997
- Epileptiform NeuralgiaC0040997
- Epileptiform NeuralgiasC0040997
- FOTHERGILL DISC0040997
- Fothergill DiseaseC0040997
- Fothergill's diseaseC0040997
- Fothergill's neuralgiaC0040997
- Neuralgia trigeminalC0040997
- Neuralgia, EpileptiformC0040997
- Neuralgia, TrifacialC0040997
- Neuralgia, TrigeminalC0040997
- TIC DOULOUREUXC0040997
- TN - Trigeminal neuralgiaC0040997
- TRIGEMINAL NEURALGIAC0040997
- Tic DoloureuxC0040997
- Tic DouleureuxC0040997
- Tic DouloureuxC0040997
- Tic douloureuxC0040997
- Trifacial NeuralgiaC0040997
- Trifacial NeuralgiasC0040997
- Trifacial neuralgiaC0040997
- Trigeminal NeuralgiaC0040997
- Trigeminal NeuralgiasC0040997
- Trigeminal neuralgiaC0040997
- Trigeminal neuralgia (disorder)C0040997
- fothergill diseaseC0040997
- tic douloureuxC0040997
- trifocal neuralgiaC0040997
- trigeminal neuralgiaC0040997
- trigeminus neuralgiaC0040997
- Syndrome of paroxysmal facial painC1406705
Clinical Terms
- Neuralgia, Trigeminal
- Neuralgia trigeminal
- Neuralgia, Epileptiform
- Trifacial Neuralgia
- Trigeminal neuralgia (disorder)
- Disorder of right trigeminal nerve
- Idiopathic trigeminal neuralgia
- Epileptiform Neuralgia
- Syndrome of paroxysmal facial pain
- TN - Trigeminal neuralgia
- Trigeminal Neuralgias
- Disorder of left trigeminal nerve
- Trigeminal nerve finding
- Tic Douloureux
- Left trigeminal neuralgia
- Trifacial Neuralgias
- Disease, Fothergill
- Right trigeminal neuralgia
- Tic Doloureux
- Left trigeminal neuropathy
- trigeminus neuralgia
- Fifth cranial nerve finding
- trifocal neuralgia
- Nasociliary neuralgia
- Fothergill's neuralgia
- Secondary trigeminal neuralgia
- FOTHERGILL DIS
- Tic Douleureux
- Right trigeminal neuropathy
- Idiopathic trigeminal neuropathy
- Epileptiform Neuralgias
- Neuralgia, Trifacial
- Fothergill Disease
- Fothergill's disease
Frequently Asked Questions
What is the ICD-10 code for trigeminal neuralgia?
The ICD-10-CM code for trigeminal neuralgia is G50.0. The full clinical description is "Trigeminal neuralgia". G50.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G50.0 mean?
ICD-10-CM code G50.0 represents “Trigeminal neuralgia”. 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 G50.0 a billable code?
Yes, G50.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G50.0 in?
G50.0 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G50.0?
G50.0 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 G50.0 map to?
G50.0 maps to 10 SNOMED CT concepts: 16057991000119109, 16058031000119107, 106155008, 31681005, 230537000, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G50.0?
G50.0 is linked to 2 UMLS Concept Unique Identifiers: C0040997, C1406705. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G50.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like trigeminal neuralgia 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 G50.0?
G50.0 maps to the ICD-11 code: 8B82.0 (Trigeminal neuralgia).
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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.