Clinical conditions associated with possible false-positive results of serologic tests for syphilis

Table 10.3-1. Clinical conditions associated with possible false-positive results of serologic tests for syphilis
Nontreponemal antibody tests		Treponemal antibody tests
Positive result persisting for <6 months	Positive result persisting for ≥6 months	– Connective tissue diseases – Lyme disease
– After vaccination – After myocardial infarction – Pregnancy – Malaria – Viral hepatitis – Varicella – Measles – Other infectious diseases	– IV illicit drug use – Autoimmune diseases – Leprosy – Neoplasms – Chronic liver disease – Advanced age
IV, intravenous.