Microbiology - Serology
TPHA
Serum only
TPPA
4 days
2445
10.0
5.0
1
0.5
Chilled (2 - 8 degrees Celsius) If overnight - Chilled (2 - 8 degrees Celsius)
Preferred Serum 1 mL
Negative
Positive indicates past or present contact with T. pallidum
Interpret in conjunction with other Syphilis markers (SEIA, RPR)
Syphilis is a Notifiable Disease
Reported as Negative or Positive
Particle agglutination
$12.1 (Exclusive of GST)
Onset date of illness desirable. Note if previous syphilis positive.
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