Treponemal Screen (Blood)

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Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Virology

Delphic Registration Code (Alpha Code)

STS

Test Code (Numeric Code)

7000

Laboratory Handling

Phlebotomy

Serum, EDTA Plasma, Heparin Plasma

Transport

Ambient (8 - 24 °C) within 48 hours; Chilled (4 - 8 °C) if longer than 48 hours

Registration

STS

Sample Stability

Up to 48 hours: 8 - 24 °C; Up to 14 days: 4 - 8 °C; Up to 6 months: -30 °C; Indefinite at - 80 °C

Associated Tests

Synonyms

Syphilis Serology
Treponemal Serology

Turnaround Time

1 day

Screening is performed on a 24/7 basis with automatic release of screen negative results.

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • EDTA (Lavender Cap)
  • Lithium Heparin - Non-gel (Green Cap)
  • Lithium Heparin PST- Gel (Light Green Cap)
  • Plain (Red Top)
Preferred Sample Volume (ml)

3.5

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • SST II (Gold Cap)
Acceptable
  • Plain(Microtainer)
  • SST(Microtainer)
  • EDTA (Lavender Cap)
  • Lithium Heparin - Non-gel (Green Cap)
  • Lithium Heparin PST- Gel (Light Green Cap)
  • Plain (Red Top)
Minimum Sample Volume (ml)

1

Additional Specimen Information

Paediatric Specimen: 2 mL clotted blood or 1 mL serum

Last updated: 07/05/2026