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Hepatitis A test

hepatitis A blood test · anti-HAV · HAV antibodies · jaundice test

This blood test looks for antibodies to the hepatitis A virus. It shows whether you have it now or are already protected.

For yellow skin, dark urine, weakness, and nausea, after contact with someone who has it, or before a hepatitis A vaccine.

⏱ Duration: the blood draw takes a few minutes; results usually come in 1 to 3 days

Be sure to tell your doctor

How to prepare

  • Food. You usually do not need to fast strictly, but it is better to come 3 to 4 hours after a light, non-fatty meal. Check with the lab.
  • The day before. For 24 hours: no alcohol and no hard workouts. Try not to smoke in the morning.
  • Medicines. Do not stop anything on your own. Tell your doctor what you take. They will decide if anything needs to change before the test.
  • Clothing. A sleeve you can easily roll up above the elbow.

What to bring

  • Your referral or list of tests
  • Your ID
  • Your vaccination records, if you have them

How it goes

  1. You sit down and rest your arm on the armrest
  2. A band is tied above your elbow, and you are asked to clench your fist a few times
  3. The skin is wiped with antiseptic
  4. A quick prick. Blood fills the tubes in a few seconds
  5. The needle comes out, and a cotton pad is pressed on the spot

What you'll feel

  • A quick prick, like a pinch
  • Sometimes slight dizziness. Tell the nurse, and they will help you lie down

Afterwards

  • Press the cotton pad for 3 to 5 minutes
  • If you have symptoms, wash your hands after using the toilet, and do not cook for others until you get the result
  • Your doctor will explain the result

Contact a doctor straight away if

  • Yellow skin, severe weakness, or vomiting: see a doctor the same day
  • Confusion, extreme sleepiness, or bleeding: call emergency services

Common questions

What do the different antibodies mean?

IgM antibodies usually mean the illness is happening now. IgG antibodies mean you had it before or were vaccinated.

How does hepatitis A spread?

Through dirty hands, water, and food. Hand washing and the vaccine protect well.