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Vaginal and Throat Swab for Viral Detection (Multiplex PCR)

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

This test checks for viruses in samples taken from your throat or vagina using a molecular method to detect genetic material.

Quick summary

["Helps diagnose infections quickly with high accuracy."]

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

Key facts at a glance

LOINC
31863-4
Short code
FLUBV Ag Throat Ql
Synonyms
FLUBV Ag Throat Ql
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

How the Test Works

A healthcare provider collects a sample from your throat or vagina using a sterile swab. The swab is then processed in a lab to detect viral genetic material using polymerase chain reaction (PCR). This method amplifies tiny amounts of virus DNA/RNA for identification.

What to Expect Before the Test

No special preparation is needed. You may rinse your mouth with water before the throat sample to avoid contamination. For vaginal samples, avoid douching or using vaginal products 24 hours before testing.

Common Viruses Detected

This test can identify a range of viruses, including respiratory viruses (e.g., influenza, RSV, adenovirus) and sexually transmitted viruses (e.g., HPV, chlamydia, gonorrhea) depending on the specific panel used.

When You Might Need This Test

Your doctor may recommend this test if you have symptoms like sore throat, vaginal discharge, or other signs of infection, especially during outbreaks or if you’ve been exposed to a contagious virus.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Viral throat/swab PCR

Frequently asked questions

Why do I need this test?
Your doctor may suspect a viral infection based on symptoms, exposure history, or other clinical factors. This test helps confirm or rule out infections that require specific treatments or precautions.
What are the possible results?
A positive result means the virus was detected in your sample. A negative result means the virus was not found in this test, but other causes of symptoms may still exist. Follow-up testing or additional samples may be needed.
How long will it take to get results?
Results are typically available within 24 to 48 hours, depending on lab processing times and the specific testing protocol used.
  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