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Genital Swab for Vaginal Microbial Profile (Genital Microbiome Analysis)

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

This test examines the types and amounts of bacteria, fungi, and other microorganisms found in your vaginal area. It helps identify any imbalances that may contribute to infections or other health concerns.

Quick summary

["Understanding your vaginal microbiome can help prevent infections and support overall reproductive health."]

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

Key facts at a glance

LOINC
109685-8
Short code
T vaginalis Ag Msmt Genital
Synonyms
T vaginalis Ag Msmt Genital
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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, or discomfort in the vaginal area. It can also be used to diagnose conditions like bacterial vaginosis, yeast infections, or other infections caused by abnormal microbial growth.

What to Expect During the Test

You will likely have a simple swab inserted into your vagina to collect a sample. This is usually quick and painless, similar to a Pap smear. No special preparation is needed, but avoid sexual activity and douching 24 hours before the test.

Sample Collection and Processing

The collected sample will be analyzed to identify the types and quantities of microorganisms present. This involves examining the sample under a microscope or using genetic testing to detect specific bacteria, fungi, or other microbes.

What the Results Mean

Results will show the presence and relative amounts of different microorganisms. For example, it may indicate whether there is an overgrowth of harmful bacteria (like *Gardnerella*), yeast, or other pathogens. Your provider will interpret the results in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Vaginal Swab Test

Frequently asked questions

What does my vaginal microbiome look like?
A healthy vaginal microbiome typically contains a mix of beneficial bacteria (like *Lactobacillus*) that help maintain balance and protect against infections. Imbalances, or dysbiosis, can increase the risk of infections such as bacterial vaginosis, yeast infections, or sexually transmitted infections (STIs). Your results will help guide treatment if needed, such as antibiotics, antifungal medications, or changes in hygiene practices.
How long will I need to wait for my results?
Results from this test can take anywhere from a few days to a couple of weeks, depending on the laboratory and testing method used. Your healthcare provider will contact you once the results are ready and discuss them with you.
Can I take anything to prepare for this test?
No special preparation is needed, but avoid sexual activity and douching for 24 hours before the test. If you are on antibiotics or have recently had an infection, let your provider know, as this may affect the results.
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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