Uncertain: The total hep A AB measures both the IgM that is elevated around the time of infection, and the IgG that is elevated for the rest of your life starting several weeks after your exposure to the virus. To really get useful information, you have to separate the IgG and the IgM. It may be possible to do that on the blood sample the lab already has, without getting blood drawn again.
Answered 3/17/2020
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