HIV Antibody Screening and Confirmatory Test (Serum/Plasma)
This test detects antibodies to the human immunodeficiency virus (HIV), which your body makes in response to the virus. It helps determine if you’ve been exposed to HIV.
["This test screens for HIV antibodies, which can indicate past or current infection."]
Key facts at a glance
- LOINC
- 80203-3
- Short code
- HIV 1 & 2 Ab SerPlBld IA.rapid
- Synonyms
- HIV 1 & 2 Ab SerPlBld IA.rapid
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ia-rapid
- 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
How the Test Works
The test uses a blood sample (either serum or plasma) to identify HIV antibodies through an immunoassay method. This detects proteins your immune system produces after exposure to HIV, helping confirm infection.
What to Expect Before the Test
No special preparation is needed. Bring a photo ID if required by your healthcare provider. Avoid alcohol for 24 hours before testing if instructed.
What to Expect During the Test
A healthcare professional will draw blood from a vein in your arm. You may feel a slight pinch, but the procedure is quick and usually painless. The blood sample is then processed to extract serum or plasma for testing.
What to Expect After the Test
You can return to your normal activities immediately. Minor bruising or soreness at the injection site may occur but should resolve within a few days. Follow-up instructions from your provider may include waiting for results or scheduling a confirmatory test if needed.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Positive results indicate the presence of HIV antibodies, suggesting past or current infection. A positive screening test may require a confirmatory test to ensure accuracy. Early detection is crucial for managing HIV and preventing complications. Negative results mean no detectable antibodies at the time of testing, but exposure cannot be ruled out without retesting.
Short name
HIV Antibody Test
Frequently asked questions
Why was I asked to take this test?
What does a positive result mean?
Can I get HIV from a blood test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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