Hepatitis A Immunity Test
Below is a plain-language overview of the hepatitis a immunity test. The Hepatitis A Immunity Test checks whether you have antibodies that protect against hepatitis A, a liver infection caused by the hepatitis A virus. It is often ordered to confirm immunity from a past infection or vaccination, or to see if vaccination is needed.
- Sample type
- blood
- Category
- Sexual Health
- Turnaround
- 1-3 business days
- Price
- $144
- Referral
- Not required
The Hepatitis A Immunity Test checks whether you have antibodies that protect against hepatitis A, a liver infection caused by the hepatitis A virus. It is often ordered to confirm immunity from a past infection or vaccination, or to see if vaccination is needed.
What it measures
- Total Hepatitis A Antibodies — Detects both IgM and IgG antibodies against hepatitis A virus.
- IgG Antibodies — Indicates past infection or vaccination; suggests long-term protection.
- IgM Antibodies — Suggests recent infection; not usually present after vaccination.
Who it is for
This test may be ordered for people at higher risk of hepatitis A, those with liver disease, travelers to areas where the virus is common, or anyone wanting to check their immunity status.
Preparation
No fasting or special preparation is needed for this blood test. You can eat and drink normally before your appointment.
Results and what they mean
Results are typically reported as positive (immune) or negative (not immune), sometimes with a numerical value. A positive result generally means you have antibodies that protect against hepatitis A, while a negative result means you may need vaccination. A clinician interprets your results in the context of your health history; this information is not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the hepatitis a immunity test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to fast for this test?
No, fasting is not required. You can eat and drink as usual before the blood draw.
What does a positive result mean?
A positive result usually means you have antibodies against hepatitis A, which can come from a past infection or vaccination. It suggests you are likely protected.
What if my result is negative?
A negative result means you do not have detectable antibodies. Your clinician can discuss whether vaccination is recommended for you.
How long does it take to get results?
Results are typically available within 1 to 3 business days after your blood sample is collected.