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Specimen Collection Manual and Test Catalog

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TRICHOMONAS VAGINALIS, AMPLIFIED PROBE

Geisinger Epic Procedure Code:  LAB3193    Geisinger Epic ID:  43118

SPECIMEN COLLECTION
Specimen type: 

Female endocervical, vaginal and urine specimens. Male urine and urethral specimens.


Preferred collection container: 
Specimen required: 
Collection container:Specimen type:
Aptima® Unisex Swab Collection KitClinician Collected Female Endocervical and Male Urethral specimens
Aptima® Urine Specimen Collection KitFemale and Male Urine
Aptima®Multitest Swab Collection KitClinician Collected Vaginal Swab.


SPECIMEN PROCESSING
Processing instructions: 

If a single urine specimen is collected and other testing is requested, the urine specimen must be transferred to an Aptima® urine collection kit before any other testing on the urine is performed.


Transport temperature: 

Swab Specimens: Room temperature (2-30°C is acceptable).
Urine Specimens: Room temperature (2-30°C is acceptable) in Aptima® Urine Collection Kit. Room temperature (2-30°C is acceptable) collected in sterile specimen container, stable for only 24 hours.


Specimen stability: 

Swabs: Stable for 60 days at 2-30°C 
Urines: In Aptima® Urine Transport, stable 30 days at 2-30°C. In sterile container, stable for 24 hours at 2-30°C.


Rejection criteria: 

Improperly labeled/identified specimens. Expired transport media. Collection swabs other than Aptima® supplied/approved collection swabs. More than one swab in the collection device. White cleaning swab in collection device. No swab in collection device. Urine in preservatives. Urine collection tube underfilled/overfilled. Specimens stored or transported at incorrect temperature. Specimens which exceed stability limits. Frozen specimens (unless -70°C).



TEST DETAILS
Reference interval: 

Negative. No Trichomonas vaginalis detected by transcription-mediated nucleic acid amplification.


Critical values/courtesy alerts: 
Positive. Trichomonas vaginalis detected by transcription-mediated nucleic acid amplification.
CPT code(s):  87661
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

Molecular target amplification and detection of Trichomonas vaginalis.


Methodology: 
Transcription-Mediated Amplification (TMA)
Synonyms: 

GEN-PROBE, DNA PROBE,RNA PROBE, TRICHOMONAS PROBE, TV PROBE,TRICHOMONAS VAGINALIS PROBE, TRICH, TV, TVGA


Clinical significance: 

Trichomonas vaginalis (TV) is the most common curable sexually transmitted diseases (STD) agent in the United States, with an estimated 7.4 million new cases occurring annually.


Doctoral Director(s): 
Donna Wolk PhD, D(ABMM)
Julie Hirschhorn, PhD, HCLD(ABB)
Review Date:  03/05/2025

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