G50.9
BillableDisorder of trigeminal nerve, unspecified
Disorder of trigeminal nerve, unspecified
Coding Notes
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(129)
SNOMED CT
- Abnormal eyelid innervation syndrome5127009
- Jaw winking5127009
- Jaw-winking syndrome5127009
- Marcus Gunn phenonemon5127009
- Marcus Gunn syndrome5127009
- Marcus-Gunn jaw winking5127009
- Marcus-Gunn syndrome5127009
- Pterygoid-levator synkinesis5127009
- Abnormal nervous system function13028004
- Abnormal neurological function13028004
- Trigeminal nerve sensory disorder28007006
- Maxillary nerve disorder59979003
- Second division of fifth cranial nerve disorder59979003
- Second division of trigeminal nerve disorder59979003
- Disorder of the fifth cranial nerve64309007
- Disorders of the Vth cranial nerve64309007
- Disorders of the fifth nerve64309007
- Trigeminal nerve disorder64309007
- Paratrigeminal syndrome64518008
- Raeder paratrigeminal syndrome64518008
- Abnormal innervation syndrome70673006
- First division of fifth cranial nerve disorder75962003
- First division of trigeminal nerve disorder75962003
- Ophthalmic nerve disorder75962003
- Fifth cranial nerve finding106155008
- Trigeminal nerve finding106155008
- Idiopathic trigeminal neuropathy230540000
- Dermatosis due to peripheral nerve disorder402740007
- Dermatosis secondary to peripheral nerve disorder402740007
- Skin damage resulting from acquired nerve disorder402742004
- Trigeminal trophic syndrome403602005
- Neurotrophic damage to skin403603000
- Skin damage resulting from neuropathy403603000
- Inverse Marcus-Gunn phenomenon1156827007
- Cranial nerve 5 abnormal450001000124107
- Fifth cranial nerve abnormal450001000124107
- Disorder of left trigeminal nerve16057991000119109
- Left trigeminal neuropathy16057991000119109
- Disorder of right trigeminal nerve16058031000119107
- Right trigeminal neuropathy16058031000119107
UMLS
- CRANIAL NERVE V DISC0152177
- Cranial Nerve V DiseasesC0152177
- Disorder of the fifth cranial nerveC0152177
- Disorder of trigeminal nerve, unspecifiedC0152177
- Disorders of the Vth cranial nerveC0152177
- Disorders of the fifth nerveC0152177
- Disorders of trigeminal nerveC0152177
- FIFTH CRANIAL NERVE DISC0152177
- Fifth Cranial Nerve DiseasesC0152177
- Neuropathies, TrigeminalC0152177
- Neuropathy, TrigeminalC0152177
- TRIGEMINAL NERVE DISC0152177
- Trigeminal Nerve DiseaseC0152177
- Trigeminal Nerve DiseasesC0152177
- Trigeminal Nerve DisorderC0152177
- Trigeminal Nerve DisordersC0152177
- Trigeminal NeuropathiesC0152177
- Trigeminal NeuropathyC0152177
- Trigeminal disordersC0152177
- Trigeminal nerve disorderC0152177
- Trigeminal nerve disorder (disorder)C0152177
- Trigeminal nerve disorder NOSC0152177
- Trigeminal nerve disorder, unspecifiedC0152177
- Trigeminal neuropathyC0152177
- disorder trigeminalC0152177
- neuropathy trigeminalC0152177
- trigeminal disorderC0152177
- trigeminal nerve diseaseC0152177
- trigeminal nerve disorderC0152177
- trigeminal neuropathyC0152177
Clinical Terms
- Paratrigeminal syndrome
- Dermatosis due to peripheral nerve disorder
- Trigeminal Nerve Disorders
- First division of fifth cranial nerve disorder
- Cranial nerve 5 abnormal
- Disorder of right trigeminal nerve
- Skin damage resulting from neuropathy
- Jaw-winking syndrome
- Trigeminal Nerve Diseases
- TRIGEMINAL NERVE DIS
- Trigeminal nerve disorder NOS
- disorder trigeminal
- Maxillary nerve disorder
- Cranial Nerve V Diseases
- trigeminal nerve disease
- Skin damage resulting from acquired nerve disorder
- Marcus-Gunn jaw winking
- Dermatosis secondary to peripheral nerve disorder
- Disorders of the Vth cranial nerve
- Ophthalmic nerve disorder
- First division of trigeminal nerve disorder
- Disorder of left trigeminal nerve
- Neuropathies, Trigeminal
- Trigeminal nerve finding
- Abnormal innervation syndrome
- Fifth cranial nerve abnormal
- Second division of trigeminal nerve disorder
- Trigeminal Nerve Disorder
- Second division of fifth cranial nerve disorder
- Marcus Gunn phenonemon
- FIFTH CRANIAL NERVE DIS
- Neurotrophic damage to skin
- Trigeminal Neuropathies
- Abnormal nervous system function
- Marcus-Gunn syndrome
- Raeder paratrigeminal syndrome
- Trigeminal nerve disorder (disorder)
- Trigeminal disorders
- Jaw winking
- Left trigeminal neuropathy
- trigeminal disorder
- Inverse Marcus-Gunn phenomenon
- Abnormal neurological function
- Neuropathy, Trigeminal
- Pterygoid-levator synkinesis
- Fifth cranial nerve finding
- Marcus Gunn syndrome
- Trigeminal nerve sensory disorder
- Abnormal eyelid innervation syndrome
- Trigeminal trophic syndrome
- Trigeminal neuropathy
- Trigeminal nerve disorder, unspecified
- Disorder of the fifth cranial nerve
- Right trigeminal neuropathy
- neuropathy trigeminal
- Fifth Cranial Nerve Diseases
- Idiopathic trigeminal neuropathy
- CRANIAL NERVE V DIS
- Disorders of the fifth nerve
Frequently Asked Questions
What is the ICD-10 code for disorder of trigeminal nerve, unspecified?
The ICD-10-CM code for disorder of trigeminal nerve, unspecified is G50.9. The full clinical description is "Disorder of trigeminal nerve, unspecified". G50.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code G50.9 mean?
ICD-10-CM code G50.9 represents “Disorder of trigeminal 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 G50.9 a billable code?
Yes, G50.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is G50.9 in?
G50.9 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).
What codes cannot be used with G50.9?
G50.9 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 G50.9 map to?
G50.9 maps to 18 SNOMED CT concepts: 5127009, 70673006, 13028004, 450001000124107, 402740007, and 13 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for G50.9?
G50.9 is linked to 1 UMLS Concept Unique Identifier: C0152177. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does G50.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like disorder of trigeminal 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 G50.9?
G50.9 maps to the ICD-11 code: 8B82.Z (Disorders of trigeminal 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.