Hepatitis B Core Antibody, Total (HBcT)

< 0.50 = Nonreactive
0.50 - 0.99  = Indeterminate, recommend retesting in duplicate
> 1.0 = Reactive. Antibodies to HBc were  detected, presumptive evidence of total antibodies to HBc, present or past infection.
CDC recommends supplemental testing. It does not exclude the possibility of exposure to HBV.