Human Immunodeficiency Virus Type 2 Antibody, Serum (Qualitative)
This blood test checks for antibodies to the Human Immunodeficiency Virus (HIV) type 2, which can indicate past or current infection. Antibodies are proteins the body makes in response to infection.
["This test helps determine if you’ve been exposed to HIV-2, even if you don’t yet have symptoms."]
Key facts at a glance
- LOINC
- 24294-1
- Short code
- HPIV2 Ab sp1 Titr Ser
- Synonyms
- HPIV2 Ab sp1 Titr Ser
- 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
Why This Test Might Be Ordered
Your healthcare provider may recommend this test if you have risk factors for HIV-2 infection, such as living in regions where HIV-2 is more common, having unprotected sex with multiple partners, or sharing needles. It may also be used as part of routine screening in certain high-risk groups.
What to Expect Before the Test
No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. The process usually takes a few minutes. If you’re nervous, let your provider know—they can offer ways to make it more comfortable.
What to Expect During the Test
You’ll sit comfortably while the blood is drawn. The area will be cleaned with an antiseptic wipe, and a small needle will be inserted. A bandage will cover the site afterward. You may feel a brief pinch, but it’s usually over quickly.
What the Results Mean
A positive result means your blood contains antibodies to HIV-2, suggesting past or current infection. A negative result means no detectable antibodies were found in this test. Follow-up testing may be needed for confirmation.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
HIV-2 Antibody Test
Frequently asked questions
Early detection of HIV-2 is crucial for managing the infection and preventing complications. If you test positive, your healthcare provider will guide you on next steps, which may include treatment, counseling, or monitoring.
A positive result indicates you may have been infected with HIV-2. This doesn’t mean you’re definitely sick now, but it means you should discuss your results with your doctor. They’ll help you understand your next steps, which could include further testing or treatment options.
Yes, HIV-2 can be transmitted through unprotected sex, sharing needles, or other blood-to-blood contact. If you’re at risk, talk to your doctor about prevention methods like condoms, needle exchange programs, or pre-exposure prophylaxis (PrEP) if eligible.
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