Home Introduction Prefaces Introduction to the classification How to Use This Classification Subcommittees and working groups The Classification Table of contents Part I: The primary headaches Part II: The secondary headaches Part III: Cranial neuralgias, facial pain and other headaches Appendix Definition of Terms

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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
13.12	Constant pain caused by compression, irritation or distortion of cranial nerves or upper cervical roots by structural lesions [G53.8] + [code to specify aetiology]	G44.848

Description:

Constant headache or facial pain caused by a lesion directly compromising afferent fibres in nerves mediating pain sensation from the head and/or neck. Sensory deficit may be detected within the appropriate distribution.

Diagnostic criteria:

Constant and/or jabbing pain in the territory supplied by a cranial sensory nerve, fulfilling criteria C and D
Evidence of compression, irritation or distortion of the appropriate cranial nerve
Pain and compression, irritation or distortion occur simultaneously and correspond in location
Pain is relieved by removal of the cause of compression, irritation or distortion

Comments:

Structural lesions may be space-occupying (eg, tumour or aneurysm) or contained within anatomical boundaries (eg, osteomyelitis of the cranial bones). If there is no sensory deficit or supporting imaging evidence, the diagnosis is doubtful.

Facial pain around the ear or temple may result from invasion of the vagus nerve by lung carcinoma.

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IHS vs. ICD-10

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