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Trichomonas vaginalis nucleic acid test (qualitative, urine)

Published: August 9, 2026Updated: August 16, 2026

This test detects the genetic material of *Trichomonas vaginalis*, a microscopic parasite that can cause vaginal or urethral infections. It helps confirm whether you have an infection caused by this organism.

Quick summary

["A simple urine test to check for a common sexually transmitted infection."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
32724-7
Short code
Trichomonas Ur Ql Micro
Synonyms
Trichomonas Ur Ql Micro
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
microscopy-light
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

How the Test Works

The test analyzes a small sample of your urine for genetic material specific to *Trichomonas vaginalis*. If the parasite is present, the test can detect its DNA using advanced laboratory techniques, such as polymerase chain reaction (PCR). This helps confirm the infection without needing a microscopic exam of cells.

What to Expect Before the Test

You may not need to prepare for this test. It involves providing a urine sample, often collected during a routine urine test or self-collected at home. If you’re unsure about timing, check with your healthcare provider, as some infections may be more detectable at certain times.

Common Uses of This Test

Healthcare providers may order this test if you have symptoms like itching, unusual discharge, or discomfort in the genital area. It’s also used in screening for sexually transmitted infections (STIs) in certain high-risk groups or during routine check-ups.

What the Results Mean

A positive result means the test detected genetic material from *Trichomonas vaginalis*, strongly suggesting an infection. A negative result means the parasite was not found in the sample. Follow-up testing or additional samples may be needed if symptoms persist.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Trichomonas urine PCR

Frequently asked questions

Why is this test important?
Early detection of *Trichomonas vaginalis* is crucial because it can cause discomfort, complications during pregnancy, and increased risk of other STIs. Treating the infection promptly helps prevent long-term health issues and reduces transmission to others.
What if I have symptoms but the test is negative?
A negative result doesn’t always mean you’re infection-free. If you continue to have symptoms, your healthcare provider may recommend retesting or other diagnostic methods, such as a wet mount exam of vaginal fluid. Always discuss your concerns with them.
Can I get this test at home?
Yes, some urine-based *Trichomonas* tests can be self-collected at home using a kit provided by your healthcare provider. Always follow the instructions carefully to ensure accurate results. If you’re unsure, ask your provider for guidance.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy