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Zika Virus RNA Detection by Nucleic Acid Amplification Test (Serum/Plasma)

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

This test checks for the presence of Zika virus genetic material in your blood. It helps determine if you’ve been infected with the virus.

Quick summary

["Zika RNA testing can confirm recent infection and guide medical decisions."]

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

Key facts at a glance

LOINC
81149-7
Short code
Zika E gene Amn Ql NAA+probe
Synonyms
Zika E gene Amn Ql NAA+probe
Category
chemistry
Sample
fluid
Container
Sterile tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
2-5 mL
Stability
Room temperature: 2h, Refrigerated: 24h
Hemolysis max
300
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you’ve had recent exposure to Zika virus, experienced symptoms like fever, rash, joint pain, or muscle aches, or were pregnant and had contact with someone who traveled to an area with active Zika transmission.

What to Expect Before the Test

No special preparation is needed. A blood sample will be taken from a vein in your arm. You may feel slight discomfort, but it’s usually over quickly.

What the Test Results Mean

Positive results indicate recent Zika infection. Negative results mean you likely don’t have an active infection at the time of testing, but you may still need follow-up testing if symptoms persist.

Possible Side Effects

There are no significant side effects from this test. Minor bruising or soreness at the needle site may occur.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Zika RNA Test

Frequently asked questions

How soon can I expect results?
Results are typically available within 24 to 72 hours, depending on lab processing times.
Can I have the test done at home?
No, this test requires a blood sample collected by a healthcare professional in a clinical setting.
What if I test positive for Zika?
If positive, your provider will recommend follow-up care, including monitoring for symptoms, additional testing if needed, and guidance on preventing further spread if applicable.
  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