ELISA
screening test to detect anti-HIV antibodies
CD4 cell count
counts number of T-cells (helper T-cells) in bloodstream only of patients with AIDS
immunolectrophoresis
separation of immunoglobulins IgM, IgA, IgG, IgD, IgE
viral load test
measures the amount of AIDS virus (HIV) in bloodstream
CT scan
X-ray image produces cross-sectional and other views anatomic structure