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13. CRANIAL NEURALGIAS AND CENTRAL CAUSES OF FACIAL PAIN 13.1. Trigeminal neuralgia 13.2. Glossopharyngeal neuralgia 13.3. Nervus intermedius neuralgia [G51.80] 13.4. Superior laryngeal neuralgia [G52.20] 13.5. Nasociliary neuralgia [G52.80] 13.6. Supraorbital neuralgia [G52.80] 13.7. Other terminal branch neuralgias [G52.80] 13.8. Occipital neuralgia [G52.80] 13.9. Neck-tongue syndrome 13.10. External compression headache 13.11. Cold-stimulus headache 13.12. Constant pain caused by compression, irritation or distortion of cranial nerves or upper cervical roots by structural lesions [G53.8] + [code to specify aetiology] 13.13. Optic neuritis [H46]  13.14. Ocular diabetic neuropathy [E10-E14]  13.15. Head or facial pain attributed to herpes zoster 13.16. Tolosa-Hunt syndrome 13.17. Ophthalmoplegic “migraine” 13.18. Central causes of facial pain 13.19. Other cranial neuralgia or other centrally-mediated facial pain [code to specify aetiology] Bibliography and reference14. OTHER HEADACHE, CRANIAL NEURALGIA, CENTRAL OR PRIMARY FACIAL PAIN 

IHS	Diagnosis	ICD-10
13.7	Other terminal branch neuralgias [G52.80]	G44.847

Description:

Injury or entrapment of peripheral branches of the trigeminal nerve other than the nasociliary and supraorbital nerves may give rise to pain referred to the area innervated by the branch affected. Examples are neuralgias of the infraorbital, lingual, alveolar and mental nerves.

Diagnostic criteria:

Pain in the distribution of a peripheral branch of the trigeminal nerve other than the nasociliary or supraorbital nerves
Tenderness over the affected nerve
Pain is abolished by local anaesthetic blockade or ablation of the nerve

Comment:

A13.7.1 Nummular headache, described in the appendix, is probably a localised terminal branch neuralgia of the trigeminal nerve.

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