Hepatitis A Infection Blood Test

What is Acute Hepatitis A Infection?

Acute Hepatitis A infection is a highly contagious viral liver infection that causes inflammation and symptoms like jaundice, fatigue, nausea, and abdominal pain. It is caused by the Hepatitis A virus (HAV), which spreads through contaminated food, water, or close contact with infected individuals. The Hepatitis A IgM Antibody test is the most important test for diagnosis because it specifically detects antibodies produced during active infection.

RECOMMENDED TEST Hepatitis A IgM Antibody
What's included
Fast & easy, results by email & SMS
No extra fees paid at the lab
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
Why Private MD Labs?
90-day money-back guarantee Lab order in minutes Save a trip to the doctor Low prices since 2005 Labs within 2 miles

What causes Hepatitis A infection?

Hepatitis A infection is caused by the Hepatitis A virus (HAV), which spreads through the fecal-oral route when contaminated food, water, or surfaces come into contact with the mouth. The virus is highly contagious and commonly transmitted through eating food prepared by someone with unwashed hands, drinking contaminated water, or having close personal contact with an infected person. Outbreaks often occur in areas with poor sanitation or in settings where food handlers do not follow proper hygiene practices.

What is the best test for Hepatitis A infection?

The Hepatitis A IgM Antibody test is the most important test for acute Hepatitis A infection because it specifically detects IgM antibodies that appear within 2 weeks of infection and indicate current or recent illness. This test provides definitive confirmation of active infection, distinguishing it from past exposure or vaccination, which produce different antibodies. A positive IgM result allows healthcare providers to quickly initiate appropriate treatment, implement isolation measures, and begin contact tracing to prevent further spread of this highly contagious virus.

When should I get tested for Hepatitis A?

You should get tested if you develop symptoms like yellowing of the skin or eyes (jaundice), dark urine, clay-colored stools, severe fatigue, nausea, vomiting, or abdominal pain, especially after potential exposure to contaminated food or water. Testing is also essential if you have been in close contact with someone diagnosed with Hepatitis A, recently traveled to areas with poor sanitation, or ate at a restaurant linked to an outbreak. Early testing allows for prompt diagnosis and helps prevent transmission to family members and others in your community.

What are the symptoms of Hepatitis A infection?
Symptoms of Hepatitis A typically appear 2 to 6 weeks after exposure and include sudden fatigue, nausea, vomiting, loss of appetite, abdominal pain or discomfort (especially near the liver), dark urine, clay-colored stools, and jaundice (yellowing of the skin and eyes). Some people, especially young children, may have mild symptoms or no symptoms at all, while adults often experience more severe illness. Fever, joint pain, and itching may also occur as the liver becomes inflamed and struggles to function properly.
Who is at risk for Hepatitis A infection?
People at higher risk for Hepatitis A include travelers to countries with poor sanitation, household members or sexual partners of infected individuals, people who use injection or non-injection drugs, men who have sex with men, and individuals experiencing homelessness. Food handlers, healthcare workers, and people working with the virus in laboratory settings also face increased risk. Children in daycare centers and people with chronic liver disease are particularly vulnerable to exposure and should consider vaccination for protection.
What happens if Hepatitis A is left untreated?
While most people recover completely from Hepatitis A within a few weeks to months, untreated infection can lead to complications in some cases. About 10 to 15 percent of people experience prolonged or relapsing symptoms lasting up to 6 months, and rare cases can progress to acute liver failure, which is life-threatening and may require liver transplantation. People with pre-existing liver disease face higher risk of severe complications. Early diagnosis through blood testing allows for proper monitoring and supportive care to prevent serious outcomes.
Can Hepatitis A be diagnosed with a blood test?
Yes, Hepatitis A is definitively diagnosed with a blood test that detects IgM antibodies specific to the Hepatitis A virus. These antibodies appear in the blood within 2 weeks of infection and remain detectable for several months, providing clear evidence of acute infection. Blood tests are essential because Hepatitis A symptoms can mimic other liver conditions, and accurate diagnosis is needed for appropriate treatment and public health measures. The test is simple, requiring only a blood sample, and results are typically available within a few days.
How is Hepatitis A treated?
Hepatitis A has no specific antiviral treatment, and care focuses on managing symptoms and supporting the body as it fights the infection naturally. Treatment includes rest, adequate hydration, eating small nutritious meals to combat nausea, and avoiding alcohol and medications that can stress the liver. Most people recover completely within a few weeks to months without long-term liver damage. In severe cases requiring hospitalization, healthcare providers monitor liver function closely and provide supportive care to prevent complications while the immune system clears the virus.
How can I prevent Hepatitis A infection?
The most effective prevention is the Hepatitis A vaccine, which provides long-lasting immunity and is recommended for children, travelers to endemic areas, and high-risk groups. Practicing good hygiene is essential, including thorough handwashing with soap and water after using the bathroom, changing diapers, and before preparing or eating food. Avoid drinking untreated water or eating raw shellfish from contaminated waters, especially when traveling. If exposed to someone with Hepatitis A, post-exposure prophylaxis with vaccine or immunoglobulin within 2 weeks can prevent infection.
What can I do at home for Hepatitis A symptoms?
At home, focus on getting plenty of rest to help your body fight the infection, and stay well-hydrated by drinking water, clear broths, and electrolyte solutions to prevent dehydration from vomiting or diarrhea. Eat small, frequent meals that are easy to digest, such as crackers, toast, rice, and bananas, to manage nausea while maintaining nutrition. Avoid alcohol completely and check with your healthcare provider before taking any medications, including over-the-counter pain relievers, as many can further stress your liver. Practice strict hygiene to prevent spreading the virus to household members.
How’s this work?
Getting your blood test with us is easy, private & backed by the power of science.

Long story short:
  1. In the test options, use the filters or search box to narrow your choices and find the test you want.
  2. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
  3. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
  4. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
  5. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
  6. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
  7. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!
  8. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
How do I know which test to get?
In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option.

Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.
Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?
Absolutely! We totally understand that errors can happen. No worries, we're here to help you.

Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out.

Our lab requires an address to be listed to generate an order.
Do you accept health insurance?
Only HSA & FSA is accepted.

Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts.

This policy applies to all insurance companies, including federal health insurance programs like Medicare.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.
Can I cancel my order?
Yes.

We get it – sometimes your needs change.

As long as your samples haven’t been collected yet, we’re happy to help you cancel your order.

If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

You can read more about our cancellation policy here.
How can I find a lab location near me?
During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp).

Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym.

If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
Here’s how easy it is to get blood work done on your terms
Choose a checkup
Order your test Save a trip to the doctor. Your results will come with clear, friendly explanations. Takes 2 minutes
Book a lab
Book an appointment Visit any of our 4,000 nearby lab locations to have your samples collected. Book or walk-in
Choose a checkup
Get results Receive a clear, easy-to-digest health report by email & SMS within a few business days. Get answers, fast

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

You get clinical lab reports & simplified health insights.
Save time & gas, go straight to the lab. Our doctors cover the rest.
Results start landing the next day after your lab visit.*
We don’t sell or share your data. Your time & privacy matter.
US-licensed doctors have your back if things get unclear.
No hidden fees, nice discounts for regular checkups.
Save a trip to the doctor, go directly to the lab
Instant orders, results often overnight*
Results explained in simple language
Reviewed by US licensed doctors
Fast & confidential, we never sell or share your data
No insurance needed, transparent pricing
Demo results
Testosterone 375 ng/dL
Demo results
Normal Optimal 400 - 1000 High
375 ng/dL

What this means

Your testosterone levels are slightly below the optimal range. While this is not necessarily cause for concern, it may contribute to occasional fatigue, reduced motivation, or lower muscle mass over time.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

Us vs. Them

Not overhyped or overpriced. Just comprehensive blood testing made simple and for everyone.

* Regular blood test results (e.g., CBC) typically start arriving the next business day after sample collection. More complex tests, such as hormone panels, may take up to 10–15 business days due to their complexity.

1,000,000+ blood tests later, here's what our customers say

Google reviews 505 reviews Next
Hepatitis A IgM Antibody
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
Results explained
No extra fees paid at the lab

Sample results

Sample image
For you & your coach Health insights Written in human language, backed by science.
Sample image
For you & your doc Classic lab report A familiar and comprehensive lab report.

Ask Me Anything

Your 24/7 Personal Lab Guide

Quick questions:

Which test is right for my symptoms?
What could be causing this?
When should I get tested?
A

Hi, I'm here to make labs simple, clear, and stress-free. Not sure where to start? That's okay. Tell me what's going on and I'll guide you from there.

I can help you:

  • choose the right test
  • prepare for your lab visit
  • take the next step with confidence and more
Just now
A
Not finding what you need? Text 754-799-7833, we've got you.
We provide helpful guidance, not medical diagnoses. For medical decisions, consult a licensed professional.