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Chlamydia/N. gonorrhoeae and T. vaginalis RNA, Qualitative TMA
Test Code16492
CPT Codes
87491, 87591, 87661
Includes
Chlamydia/Neisseria gonorrhoeae RNA, TMA, Urogenital
Trichomonas vaginalis RNA, Qualitative, TMA
Trichomonas vaginalis RNA, Qualitative, TMA
Preferred Specimen
1 vaginal swab in Aptima® Transport Tube or
1 endocervical swab in Aptima® Transport Tube or
2 mL female urine in Aptima® Transport Tube
1 endocervical swab in Aptima® Transport Tube or
2 mL female urine in Aptima® Transport Tube
Patient Preparation
Urine: Patient should not have urinated within one hour prior to collection. Female patients should not cleanse the labial area prior to providing the specimen.
Minimum Volume
1 vaginal swab • 1 endocervical swab • 2 mL urine
Other Acceptable Specimens
Female or male Urine (no preservatives): 2 mL of urine, specimen must be transferred into the Aptima® Urine Transport Medium within 24 hours of collection and before being assayed.
Instructions
Vaginal swab: Follow instructions in the Aptima® Vaginal Swab Collection or Multitest Collection Kit (orange label).
Endocervical swab: Follow instructions in the Aptima® Unisex Swab Specimen Collection Kit (white label). In females, to ensure collection of cells infected with N. gonorrhoeae/C. trachomatis, columnar epithelial cells lining the endocervix should be obtained. Excess mucus should be removed prior to sampling.
Urine: Direct patient to provide a first-catch urine (a maximum of 20-30 mL of the initial urine stream) into a urine collection cup free of any preservatives. 2 mL of urine specimen must be transferred into the Aptima® Specimen Transport within 24 hours of collection and before being assayed. Use the tube provided in the urine specimen collection kit. The fluid (urine plus transport media) level in the urine transport tube must fall within the clear pane of the tube label
Endocervical swab: Follow instructions in the Aptima® Unisex Swab Specimen Collection Kit (white label). In females, to ensure collection of cells infected with N. gonorrhoeae/C. trachomatis, columnar epithelial cells lining the endocervix should be obtained. Excess mucus should be removed prior to sampling.
Urine: Direct patient to provide a first-catch urine (a maximum of 20-30 mL of the initial urine stream) into a urine collection cup free of any preservatives. 2 mL of urine specimen must be transferred into the Aptima® Specimen Transport within 24 hours of collection and before being assayed. Use the tube provided in the urine specimen collection kit. The fluid (urine plus transport media) level in the urine transport tube must fall within the clear pane of the tube label
Transport Temperature
Room temperature
Specimen Stability
Swab in Aptima® Transport
Room temperature: 60 days
Refrigerated: 60 days
Frozen: 6 months
Urine in Aptima® Transport
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 6 months
Room temperature: 60 days
Refrigerated: 60 days
Frozen: 6 months
Urine in Aptima® Transport
Room temperature: 30 days
Refrigerated: 30 days
Frozen: 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Transport tubes with 2 swabs • Transport tubes with non-Aptima® swabs • Swab transport tubes with no swab • Specimens in broken containers • Swab submitted in viral transport media • Urine samples where the fluid level is not between the black fill lines • Pap vials
Methodology
Transcription-Mediated Amplification (TMA)
Setup Schedule
A.M.
Clinical Significance
To diagnose three sexually transmitted infections associated with vaginitis.
