Definitions for "Seronegative"
When the suspected substance being searched for, such as hepatitis C virus, does not show up in a blood test.
negative result in a serological test; that is, the inability to detect the antibodies or antigens being tested for.
Negative antibody result in a blood test.
single blind squamous intraepithelial lesion (SIL) surrogate marker
Keywords:  'absent, blood, means, general, term
Seronegative is a general term that means 'absent from the blood'.