Test Code CTNG Chlamydia Trachomatis / Neisseria Gonorrhoeae
Methodology
Multiplex Polymerase Chain Reaction (PCR)
Performing Laboratory
St. Clair Hospital Laboratory
Specimen Collection, Transport and Storage:
- Specimen Types: Female and male urine, patient-collected vaginal swabs (collected in a clinical setting), clinician-collected endocervical swabs, and female and male pharyngeal and rectal swabs.
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Collection Instructions:
- Xpert® Swab Specimen Collection
- Obtain Xpert® Swab Specimen Collection Kit.
- Open kit and obtain large cleaning Swab.
- Open package and obtain small collection swab from wrapper.
- Insert small collection swab into endocervical canal (Remove excess mucus from cervix and area using the large cleaning swab. Discard the swab.), throat, or rectum and rotate clockwise for 10-30 sec. Remove swab.
- Place small collection swab into pink cap transport tube, breaking swab at scoreline into tube.
- Cap tube and label with patient ID, and date as required.
- Urine Specimen Collection: First Catch Urine sample
- Xpert® Swab Specimen Collection
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Specimen Stability:
- Urine Samples:
- First catch female urine specimen must be transferred to the Xpert Urine Transport Reagent tube within 24 hours of primary collection if shipped and/or stored at room temperature.
- First catch male urine specimen must be transferred to the Xpert Urine Transport Reagent tube within 3 days of primary collection if shipped and/or stored at room temperature.
- First catch male and female urine specimen NOT transferred to the Xpert Urine Transport Reagent tube (unpreserved urine specimen) can be shipped and/or stored for up to 8 days at 4 °C ± 2°C.
- First catch female urine specimen that is transferred to the Xpert Urine Transport Reagent tube (preserved female urine specimen) can be shipped and/or stored up to 45 days at 2 °C to 15 °C, or up to 3 days at 2 °C to 30 °C before testing with the Xpert CT/NG test.
- First catch male urine specimen that is transferred to the Xpert Urine Transport Reagent tube (preserved male urine specimen) can be shipped and/or stored up to 45 days at 2 °C to 30 °C before testing with the Xpert CT/NG test.First catch female urine specimen is stable for 24 hrs if transported at room temperature (18-30°C).
- Xpert Swab Specimen Collection Kit:
- Swab samples stored in Xpert Swab Transport Reagent tubes should be transported to the laboratory at 2°C to 30°C.
- Swab samples in Xpert Swab Transport Reagent tubes are stable up to 60 days at 2 °C to 30 °C before testing with the Xpert CT/NG test.
- Urine Samples:
Reference Values
Negative
Useful For
Rapid detection of Chlamydia trachomatis and/or Neisseria gonorrhoeae to aid in the diagnosis of chlamydial and gonorrheal disease