A02.21   Salmonella meningitis
A17.0   Tuberculous meningitis
A17.1   Meningeal tuberculoma
A17.81   Tuberculoma of brain and spinal cord
A17.82   Tuberculous meningoencephalitis
A17.83   Tuberculous neuritis
A17.89   Other tuberculosis of nervous system
A39.0   Meningococcal meningitis
A39.81   Meningococcal encephalitis
A54.81   Gonococcal meningitis
G00.0   Hemophilus meningitis
G00.1   Pneumococcal meningitis
G00.2   Streptococcal meningitis
G00.3   Staphylococcal meningitis
G00.8   Other bacterial meningitis
G00.9   Bacterial meningitis, unspecified
G04.2   Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G06.0   Intracranial abscess and granuloma
G06.1   Intraspinal abscess and granuloma
G06.2   Extradural and subdural abscess, unspecified
G61.0   Guillain-Barre syndrome