Trichomonas vaginalis Detection (Specimen Culture)
This test checks for the presence of *Trichomonas vaginalis*, a microscopic parasite that can cause vaginal or urethral infections in both men and women. It involves culturing a sample (often from vaginal or urethral secretions) to identify the organism.
["A positive result may indicate an infection that requires treatment to prevent complications."]
Key facts at a glance
- LOINC
- 68458-9
- Short code
- Trichomonas Spec Cult
- Synonyms
- Trichomonas Spec Cult
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- organism-specific-culture
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Is Done
Your healthcare provider may recommend this test if you have symptoms like unusual discharge, itching, burning during urination, or irritation in the genital area. It’s also used to diagnose suspected trichomoniasis in asymptomatic individuals or during routine screening for sexually transmitted infections (STIs).
What to Expect Before the Test
No special preparation is needed. You’ll provide a sample (e.g., vaginal swab or urethral swab) during a medical visit. If testing urine, you may need to collect a midstream sample. Avoid sexual activity for 24 hours before testing if instructed.
How the Test Works
The sample is placed in a growth medium to encourage the parasite to multiply. After a few days, the lab checks for signs of *Trichomonas vaginalis* growth, which confirms an infection if present.
What the Results Mean
A **positive** result means the parasite was found in your sample, indicating an active infection. A **negative** result means no parasite was detected, but you may still need further evaluation if symptoms persist. Follow-up testing or retesting may be recommended.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Trichomoniasis Culture
Frequently asked questions
Trichomoniasis is a common STI that can increase the risk of HIV transmission and may contribute to complications like preterm birth or low birth weight in pregnant women. Early treatment reduces these risks and relieves symptoms.
How long does it take to get results?
Can I treat myself if I test positive?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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