Syphilis Testing in Northern California Kaiser

Treponemal
Results
negative (nonreactive)
negative (nonreactive)
positive
(reactive)
positive
(reactive)
positive
(reactive)
RPR Q TPPA Report/Interpretation for all except
neonates or infants
not
performe
d
not
performed
reactive nonreactive
nonreactive
nonreactive
No serological evidence of infection with T.
pallidum (incubating or early primary syphilis
cannot be excluded)
Current infection unlikely, probability of
biological false positive secondary to other
medical conditions (febrile diseases,
immunization, IVDU, autoimmune diseases, etc.)
reactive Probably past treated infection; additional
testing maybe necessary for clinical suspicion of
late syphilis or neurosyphilis.
nonreactive
reactive not
performed
Probably false positive Trep Antibody result
Clinical correlation required
Evidence of current infection (if low positive
RPR with history of treatment, this is serofast
state.)