Short answer · Medically reviewed summary · Last updated: 2026-04-07
The ICD-10 code for Trigeminal Neuralgia is G50.0, and the ICD-9 code is 350.1. As a specialist physician, I understand that receiving a diagnosis like Trigeminal Neuralgia can be overwhelming, but having these standardized diagnostic codes is a critical step in navigating the healthcare system for insurance billing, specialized referrals, and clinical documentation. While these codes provide a common language for medical professionals, they do not capture the profound impact this condition has on your daily life, characterized by sudden, severe, electric-shock-like facial pain. Understanding Clinical Classification The ICD (International Classification of Diseases) system is essential for organizing the clinical presentation of Trigeminal Neuralgia.
6 people with Trigeminal Neuralgia have shared their first-person experience on this question at DiseaseMaps.
ICD10 code of Trigeminal Neuralgia and ICD9 code
ICD-10 and ICD-9 codes for Trigeminal Neuralgia, with classification details for clinicians, coders and patients.
The ICD-10 code for Trigeminal Neuralgia is G50.0, and the ICD-9 code is 350.1.
As a specialist physician, I understand that receiving a diagnosis like Trigeminal Neuralgia can be overwhelming, but having these standardized diagnostic codes is a critical step in navigating the healthcare system for insurance billing, specialized referrals, and clinical documentation. While these codes provide a common language for medical professionals, they do not capture the profound impact this condition has on your daily life, characterized by sudden, severe, electric-shock-like facial pain.
Understanding Clinical Classification
The ICD (International Classification of Diseases) system is essential for organizing the clinical presentation of Trigeminal Neuralgia. The G50.0 code specifically refers to the idiopathic or classic form of the condition, where compression of the trigeminal nerve root—often by a blood vessel—causes the debilitating symptoms. Because Trigeminal Neuralgia is classified as a chronic neuropathic pain disorder, these codes are used by neurologists and neurosurgeons to justify specialized diagnostic imaging, such as an MRI with FIESTA sequences, to visualize the neurovascular conflict.
Beyond the Code: Your Experience
Living with Trigeminal Neuralgia means managing a condition that is often described as one of the most painful experiences a human can endure. When you see these codes on your medical charts, please remember that they are merely administrative tools; they do not define your resilience or the validity of your pain. Many of our 2,009 community members at DiseaseMaps.org have found that tracking these clinical details helps in discussions with specialists, but it is equally important to document your functional limitations and the emotional toll of the unpredictable "flare-ups" associated with Trigeminal Neuralgia.
Medical Disclaimer: This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD) - Trigeminal Neuralgia
- Orphanet: The portal for rare diseases and orphan drugs
- The Facial Pain Association (FPA)
- World Health Organization (WHO) International Classification of Diseases (ICD-10/11)
Clinical Information
A syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longer in the sensory distribution of the trigeminal nerve. Pain may be initiated by stimulation of trigger points on the face, lips, or gums or by movement of facial muscles or chewing. Associated conditions include multiple sclerosis, vascular anomalies, aneurysms, and neoplasms. (Adams et al., Principles of Neurology, 6th ed, p187)
Can you imagine feeling a shock in your face as you brush your teeth or shave? if you have trigeminal neuralgia (tn), you may know exactly what it's like. You may feel extreme numbness, tingling or burning on a part of your face. Any vibration on your face, even from talking, can set it off. The condition may come and go, disappearing for days or even months. But the longer you have it, the less often it goes away. Your trigeminal nerve is responsible for sensations on your face. The cause of tn is probably a blood vessel pressing on the trigeminal nerve. Tumors and multiple sclerosis can also cause tn, but in some cases the cause is unknown.tn usually affects people over 50, especially women. Medicines and sometimes surgery can help with the pain.
Syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longer in the sensory distribution of the trigeminal nerve.
Applicable To
Syndrome of paroxysmal facial pain
Tic douloureux
Approximate Synonyms
Left trigeminal neuralgia
Right trigeminal neuralgia
Trigeminal neuralgia (nerve pain)
2015 ICD-9-CM Diagnosis Code 350.1
Posted Jun 12, 2017 by Margo 3125
ICD-9-CM Diagnosis Code 350.1
Posted Jul 30, 2017 by Poison Yvy 2015
"ICD-9-CM 350.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 350.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes)."
"G50.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes."
Posted Aug 6, 2017 by Michelle 2050
Posted Feb 4, 2018 by James 2500
The 2018 edition of ICD-10-CM G50.0 became effective on October 1, 2017.
This is the American ICD-10-CM version of G50.0 - other international versions of ICD-10 G50.0 may differ.
Posted Feb 23, 2018 by Alicia 2600
Incidentally, as of 2014, Trigeminal Neuralgia is listed as a disability, though receiving insurance or compensation is a whole other battle and requires the services of a competent attorney.
Posted Feb 13, 2020 by Eric 2550
