8E40.3 Arachnoiditis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2025-01

Arachnoiditis is a chronic inflammation of the arachnoid layer of the meninges, of which adhesive arachnoiditis is the most severe form, characterised by debilitating, intractable neurogenic back and limb pain and a range of other neurological problems.

synonyms

• Arachnoiditis
• arachnitis
• arachnoid inflammation
• Spinal arachnoiditis
• Optico-chiasmatic arachnoiditis
• Cranial arachnoiditis
• brain arachnoiditis
• cerebral membrane inflammation
• brain membrane inflammation

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