| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
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® Transport Tube (green label) or
0.5 mL SurePath™ preservative fluid in Aptima® Transport Tube (green label)
0.5 mL SurePath™ preservative fluid in Aptima® Transport Tube (green label)
Minimum Volume
1 mL PreservCyt (ThinPrep) in Aptima transfer tube • 0.5 mL SurePath fluid in Aptima transfer tube
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 fluid in Aptima tube
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
SurePath fluid in Aptima tube
Room temperature: 14 days
Refrigerated: 14 days
Frozen: Unacceptable
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
SurePath fluid in Aptima tube
Room temperature: 14 days
Refrigerated: 14 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 • All liquid based cytology vials unlabeled vial • Leakage of fluid during transport • SurePath vials received empty • Mismatch between name of patient on vial and name on test requisition • Expired vials • Cervical swabs in Digene® HC cervical sampler • Acellular pap adequacy
Methodology
Transcription-Mediated Amplification (TMA)
Setup Schedule
Set up: Daily; Report Available: 1-2 days
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
Last Updated: November 6, 2024
