American College of Rheumatology Neuropsychiatric Systemic Lupus Erythematosus classification (1999)
| Central nervous system | Peripheral nervous system |
| Aseptic meningitis | Acute inflammatory demyelinating polyradiculopathy |
| Cerebrovascular disease | Autonomic disorder |
| Demyelinating syndrome | Mononeuropathy (single/multiple) |
| Headache | Myasthenia gravis |
| Movement disorder (chorea)* | Cranial neuropathy |
| Myelopathy | Plexopathy |
| Seizure disorder* | Polyneuropathy |
| Acute confusional state* | |
| Anxiety disorder | |
| Cognitive dysfunction* | |
| Mood disorder* | |
| Psychosis* |
*Presentations associated with diffuse neuropsychiatric lupus.