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HIV Antibody Screening During Pregnancy

Published: August 9, 2026Updated: August 17, 2026

This test detects antibodies to the human immunodeficiency virus (HIV) in your blood to screen for infection during pregnancy.

Quick summary

["Early detection helps manage your health and your baby’s health safely."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
75179-2
Short code
HIVSTATUSDURINGPREGNANCY
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Critical range
0.5 N/A – —
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
cdc-cs
CPT
86701
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 as part of routine prenatal care or if you have risk factors for HIV, such as unprotected sex, sharing needles, or having a sexually transmitted infection. It helps ensure timely treatment and prevention of mother-to-child transmission.

How the Test Works

The test uses a blood sample to check for HIV antibodies, which your immune system produces if you’ve been exposed to the virus. This is typically done using an immunoassay method to detect these antibodies.

What to Expect Before the Test

You may have a small needle inserted into your arm to draw blood. Most people feel only a brief pinch, and the procedure takes just a few minutes. No special preparation is needed.

What to Expect After the Test

After the blood is drawn, you can return to your usual activities immediately. There may be a small bruise or redness at the site, but this usually fades within a day or two.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

A positive result means you have HIV antibodies, indicating possible infection. A negative result means no detectable antibodies at this time, but HIV can sometimes take weeks to months to develop antibodies after exposure. Follow-up testing may be recommended if you have risk factors or symptoms. Early treatment can significantly improve health outcomes for both you and your baby.

Short name

HIV Antibody Test (Pregnancy)

Frequently asked questions

How soon can I expect results?
Results are typically available within 1 to 3 business days, depending on your healthcare provider’s lab processes. Follow-up instructions will be provided if additional testing is needed.
What if my test result is positive?
If your test is positive, your healthcare provider will discuss next steps, which may include confirmatory testing and immediate access to antiretroviral therapy (ART) to manage the infection and reduce the risk of transmitting HIV to your baby.
Is this test the same as a HIV rapid test?
No, this is a laboratory-based test that provides more detailed and reliable results compared to rapid tests. The lab test is used for screening during pregnancy, while rapid tests are sometimes used for immediate results in other clinical settings.
  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 17, 2026. · Read our editorial policy