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Test Code LAB3870 Trichomonas vaginalis PCR

Performing Laboratory

Barnes-Jewish Hospital Laboratory-Molecular Infectious Disease

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

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

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

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.

Specimen Transport Temperature

Swabs - Ambient/Refrigerated OK

Urine - Ambient/Refrigerated OK

ThinPrep PreservCyt solution – Ambient OK

 

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