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Vaginal DNA Screening Using a Nucleic Acid Amplification Probe

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

This test detects genetic material (DNA) from vaginal bacteria or other organisms to help assess potential infections or health risks in the vaginal area.

Quick summary

["A simple screening tool to check for possible vaginal health concerns using DNA analysis."]

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

Key facts at a glance

LOINC
92685-7
Short code
T vaginalis DNA Ur Ql NAA+probe
Synonyms
T vaginalis DNA Ur Ql NAA+probe
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
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

What This Test Measures

The test uses a specialized probe to identify specific DNA sequences associated with common vaginal bacteria or pathogens. This helps determine if certain organisms are present, which may indicate an infection or imbalance in vaginal flora.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like unusual discharge, itching, burning, or if you’ve been diagnosed with a sexually transmitted infection (STI) or other vaginal concerns. It can also be used as part of routine monitoring for certain conditions.

How the Test Works

A small sample of vaginal fluid is collected and analyzed using a probe that binds to DNA from specific organisms. The test detects these DNA sequences through amplification techniques, allowing for identification of potential pathogens or bacteria.

Preparation and Sample Collection

No special preparation is needed. A healthcare provider will collect a sample using a swab or similar device. The sample is then sent to a lab for DNA analysis. Results are typically available within a few days.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test can help identify infections like bacterial vaginosis, sexually transmitted infections (e.g., *Chlamydia*, *Gonorrhea*), or other microbial imbalances. Early detection allows for prompt treatment and reduces risk of complications, such as pelvic inflammatory disease or recurrent infections.

Short name

Vaginal DNA Probe Test

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of specific DNA sequences from certain bacteria or organisms. This does not always mean an active infection is present, but it may warrant further testing or treatment to address potential concerns.
Will I need additional tests if this result is positive?
Yes, your healthcare provider may recommend additional tests or cultures to confirm the presence of an infection and guide appropriate treatment. They may also check symptoms and medical history to determine the best course of action.
How often should I get this test?
The frequency depends on your health needs. Some people may need it annually or as recommended by their provider, especially if they have recurring vaginal issues or are at higher risk for infections.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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