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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 13.18.1. Anaesthesia dolorosa [G52.800] + [code to specify aetiology] 13.18.2. Central post-stroke pain [G46.21] 13.18.3. Facial pain attributed to multiple sclerosis [G35] 13.18.4. Persistent idiopathic facial pain [G50.1] 13.18.5. Burning mouth syndrome [code to specify aetiology] 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
13.18.1	Anaesthesia dolorosa [G52.800] + [code to specify aetiology]	G44.847

Description:

Persistent and painful anaesthesia or hypaesthesia in the distribution of the trigeminal nerve or one of its divisions or of the occipital nerves.

Diagnostic criteria:

Persistent pain and dysaesthesia within the area of distribution of one or more divisions of the trigeminal nerve or of the occipital nerves
Diminished sensation to pin-prick and sometimes other sensory loss over the affected area
There is a lesion of the relevant nerve or its central connections

Comment:

Anaesthesia dolorosa is often related to surgical trauma of the occipital nerves or trigeminal ganglion, evoked most frequently after rhizotomy or thermocoagulation has been performed for treatment of 13.1.1 Classical trigeminal neuralgia.

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