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Parvovirus B19 Antibody, Qualitative Immunoassay (Serum/Plasma)

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

This test detects antibodies to parvovirus B19, a virus that can cause mild illness or more serious complications in certain groups, such as pregnant women or people with weakened immune systems.

Quick summary

["Helps diagnose or monitor parvovirus B19 infection based on antibody presence."]

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

Key facts at a glance

LOINC
110308-4
Short code
G lamblia+C parvum Ag Msmt Stl
Synonyms
G lamblia+C parvum Ag Msmt Stl
Category
coagulation
Sample
stool
Container
Clean container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 g
Stability
Refrigerated: 24h, Frozen: 7d
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like fever, joint pain, or rash, or if you’re at higher risk for complications from parvovirus B19. It may also be used during pregnancy to check for infection or in people with blood disorders to assess exposure.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample, usually drawn from your arm. The sample is sent to a lab for testing, and results are typically available within a few days.

What the Test Results Mean

Positive results indicate the presence of antibodies, suggesting past or current infection. The type of antibody (IgM or IgG) can help determine timing—IgM is often found in acute infection, while IgG persists longer.

Common Reasons for Testing

This test is often used to diagnose parvovirus B19 in individuals with symptoms like arthritis, anemia, or rash, or to screen pregnant women for potential risks to the fetus.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Parvovirus B19 can cause mild flu-like symptoms but can lead to severe complications in vulnerable groups, such as pregnant women (risking fetal hydrops) or people with sickle cell disease or immune disorders. Antibody detection helps confirm exposure and guides management.

Short name

Parvovirus B19 Antibody (IgM/IgG)

Frequently asked questions

What does a positive test mean for my health?
A positive result means your body has detected antibodies to parvovirus B19, indicating past or current infection. This doesn’t always mean you’ll feel sick, but it confirms exposure. Follow-up with your provider to discuss symptoms and next steps.
Will I need to take any special precautions if my test is positive?
If you’re pregnant and test positive, your provider may recommend monitoring for fetal risks. If you have a weakened immune system or blood disorders, they may adjust treatments or treatments to avoid exposure to others with the virus.
Can I get this test at home?
No, this test requires a blood sample collected by a healthcare professional. Some clinics may offer at-home blood draws, but results are typically processed in a lab.
  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