A 32-year-old female asked:
Disclaimer

had twinrix vac 6yrs. ago. tested recently for hep a&b. both were pos. (immune). why did hep b say igg and hep a didn't? i am immune to both correct?

1 doctor answer
Dr. Robert Kwok
32 years experience Pediatrics
Yes: That's usually the way the tests are named. The hepa test for immunity is a test for total hepa antibody (meaning igg and igm combined). So, if a person is not suffering from hepatitis a at the moment, then there wouldn't be any hepa igm, but only hepa igg (which would mean the person is immune if she has an adequate level of the igg). The test may be labeled "hepa immunity" or "hepa total".
Answered on Dec 10, 2013
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