- Meninges, meningeal - see condition
- Meningioma (M9530/0) - see also Neoplasm, meninges, benign
- Meningiomatosis (diffuse) (M9530/1) 237.6
- Meningism (see also Meningismus) 781.6
- Meningismus (infectional) (pneumococcal) 781.6
- Meningitis (basal) (basic) (basilar) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetica) (toxic) 322.9
- Meningocele (congenital) (spinal) (see also Spina bifida) 741.9
- Meningocerebritis - see Meningoencephalitis
- Meningococcemia (acute) (chronic) 036.2
- Meningococcus, meningococcal (see also condition) 036.9
- Meningoencephalitis (see also Encephalitis) 323.9
- Meningoencephalocele 742.0
- Meningoencephalomyelitis (see also Meningoencephalitis) 323.9
- Meningoencephalomyelopathy (see also Meningoencephalomyelitis) 349.9
- Meningoencephalopathy (see also Meningoencephalitis) 348.39
- Meningoencephalopoliomyelitis (see also Poliomyelitis, bulbar) 045.0
- Meningomyelitis (see also Meningoencephalitis) 323.9
- Meningomyelocele (see also Spina bifida) 741.9
- Meningomyeloneuritis - see Meningoencephalitis
- Meningoradiculitis - see Meningitis
- Meningovascular - see condition
- Meniscocytosis 282.60