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Chlamydia/N. gonorrhoeae and T. vaginalis RNA, Qualitative, TMA, Pap Vial
Test Code91448
CPT Codes
87491, 87591, 87661
Includes
Chlamydia/Neisseria gonorrhoeae RNA, TMA, Urogenital
Trichomonas vaginalis RNA, Qualitative, TMA, Pap Vial
Trichomonas vaginalis RNA, Qualitative, TMA, Pap Vial
Preferred Specimen
1 mL liquid cytology (PreservCyt®) preservative (ThinPrep®) in Aptima® transfer tube (green label) or
0.5 mL SurePath™ preservative fluid in Aptima® transfer tube (green label)
0.5 mL SurePath™ preservative fluid in Aptima® transfer tube (green label)
Minimum Volume
1 mL PreservCyt (ThinPrep) in Aptima transfer tube • 0.5 mL SurePath fluid in Aptima transfer tube • 20 mL preservative ThinPrep vial • 10 mL SurePath vial
Other Acceptable Specimens
20 mL liquid cytology preservative (ThinPrep®) • 10 mL SurePath preservative fluid in SurePath vial
Instructions
PreservCyt or SurePath material already processed for cytology or Pap are not acceptable.
Labs performing cytology: Aliquot PreservCyt solution before performance of liquid-based cytology testing.
PreservCyt: Transfer 1 mL PreservCyt solution into Aptima Specimen Transfer Tube (green label).
SurePath: SurePath fluid must be transferred to Aptima tube within 4 days of collection. Transfer 0.5 mL SurePath solution into Aptima Specimen Transfer Tube (green label).
Labs performing cytology: Aliquot PreservCyt solution before performance of liquid-based cytology testing.
PreservCyt: Transfer 1 mL PreservCyt solution into Aptima Specimen Transfer Tube (green label).
SurePath: SurePath fluid must be transferred to Aptima tube within 4 days of collection. Transfer 0.5 mL SurePath solution into Aptima Specimen Transfer Tube (green label).
Transport Temperature
Room temperature
Specimen Stability
PreservCyt preservative (ThinPrep) in APTIMA
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 1 year
SurePath fluid in APTIMA
Room temperature: 14 days
Refrigerated: 14 days
Frozen: Unacceptable
Preservative (ThinPrep) vial
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 1 year
SurePath™ fluid vial
Room temperature: 4 days
Refrigerated: 4 days
Frozen: Unacceptable
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 1 year
SurePath fluid in APTIMA
Room temperature: 14 days
Refrigerated: 14 days
Frozen: Unacceptable
Preservative (ThinPrep) vial
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 1 year
SurePath™ fluid vial
Room temperature: 4 days
Refrigerated: 4 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
ThinPrep or SurePath material previously processed for cytology • ThinPrep with excess mucus • SurePath vials without the head of the collection device(s) in the fluid • Cervical swabs in Digene® HC cervical sampler • Acellular pap adequacy
Methodology
Transcription-Mediated Amplification (TMA)
Setup Schedule
Set up and Report available: See individual assays
Reference Range
| C. trachomatis RNA, TMA | Not detected |
| N. gonorrhoeae RNA, TMA | Not detected |
| T. vaginalis RNA, TMA | Not detected |
Clinical Significance
Diagnosis of the three most common sexually transmitted infections.
