8E41 Pachymeningitis
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
Inflammation of the pachymeninges resulting in localised or diffuse thickening of the dura mater which can be caused by chronic infection, inflammatory and immune-mediated disorders and malignancies. The cranial and/or the spinal dura may be affected. Neurological features include headache, visual disturbance, cranial nerve palsies, ataxia and with spinal involvement, limb weakness, sensory impairment and sphincter disturbances . Diagnosis may be aided by neuroimaging and spinal fluid analysis.
sections/codes in this section (8E41-8E41)
- Pachymeningitis due to infection (8E41.0)
- Idiopathic hypertrophic pachymeningitis (8E41.1)
- Other specified pachymeningitis (8E41.Y)
- Pachymeningitis, unspecified (8E41.Z)
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