Test Code LAB3870 Trichomonas vaginalis PCR
Performing Laboratory
Barnes-Jewish Hospital Laboratory-Molecular Infectious Disease
Specimen Requirements
Call Barnes Jewish Hospital Laboratory Customer Service at 314-362-1470 to obtain the appropriate Urine Specimen Collection Kit (urine specimens) or Swab Specimen Collection Kit (endocervical, vaginal specimens).
TV testing can also be performed on endocervical samples collected in ThinPrep PreservCyt solution for PAP and/or HPV testing.
Acceptable Specimens:
Inpatient and ED:
Urine: Collected in Xpert Urine Specimen Collection Kit
Endocervical, Vaginal Swabs: Collected in Xpert Swab Specimen Collection Kit
Click here for Xpert specific urine and swab collection kit instructions.
Outpatient:
Urine: Collected in cobas PCR Urine Sample Kit
Endocervical, Vaginal Swabs: Collected in cobas PCR Media Dual Swab Sample Kit
Click here for cobas specific urine and swab collection kit instructions.
Endocervical ThinPrep:
Collected in ThinPrep PreserveCyt solution
Specimen Transport Temperature
Swabs - Ambient/Refrigerated OK
Urine - Ambient/Refrigerated OK
ThinPrep PreservCyt solution – Ambient OK
Reference Values
Trichmonas vaginalis - Not Detected
Literature Reference:
Garcia, Lynne S. Diagnostic medical parasitology. 5th ed. Washington, DC: ASM Press; 2007;123-27,922-26.
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
Cepheid Xpert Assay: Within 8 hours from receipt to the laboratory
Roche cobas Assay: Within 24 hours from receipt to the laboratory
Test Classification and CPT Coding
87661
Methodology
Nucleic Acid Amplification Test (NAAT) for the detection of Trichomonas vaginalis genomic DNA using the following platforms:
- Inpatient/ED: Cepheid Xpert® TV Assay performed on the GeneXpert System
- Outpatient and ThinPrep (endocervical) samples: Roche cobas® TV Assay performed on the cobas 6800 System
Additional Information
For BJH Laboratory Use Only
Minimum Volume:
Endocervical and vaginal: 1 Swab Specimen Collection Kit
Urine: to fill line of Urine Collection Kit