II. Causes: Negative
- Normal
III. Causes: Positive
- Systemic Lupus Erythematosus
- Antiphospholipid Antibody Syndrome
- Drug-induced Lupus
- Long-term Phenothiazine use
- Multiple Myeloma
- Ulcerative Colitis
- Rheumatoid Arthritis
- Postpartum
- Hemophilia
- Neoplasms
- Chronic inflammatory states