| MDC 1 Diseases & Disorders of the Nervous System |
| Bacterial and Tuberculous Infections of Nervous System |
| A0221 | Salmonella meningitis |
| A170 | Tuberculous meningitis |
| A171 | Meningeal tuberculoma |
| A1781 | Tuberculoma of brain and spinal cord |
| A1782 | Tuberculous meningoencephalitis |
| A1783 | Tuberculous neuritis |
| A1789 | Other tuberculosis of nervous system |
| A390 | Meningococcal meningitis |
| A3981 | Meningococcal encephalitis |
| A5481 | Gonococcal meningitis |
| G000 | Hemophilus meningitis |
| G001 | Pneumococcal meningitis |
| G002 | Streptococcal meningitis |
| G003 | Staphylococcal meningitis |
| G008 | Other bacterial meningitis |
| G009 | Bacterial meningitis, unspecified |
| G01 | Meningitis in bacterial diseases classified elsewhere |
| G042 | Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified |
| G060 | Intracranial abscess and granuloma |
| G061 | Intraspinal abscess and granuloma |
| G062 | Extradural and subdural abscess, unspecified |
| G07 | Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere |
| G610 | Guillain-Barre syndrome |