Respiratory syncytial virus (RSV) antibody test is a blood test that measures the levels of antibodies (immunoglobulins) the body makes after an infection with RSV.

What lab test confirms RSV?

Respiratory syncytial virus (RSV) can be detected by rapid antigen detection tests (RADTs), direct fluorescent antibody (DFA) and polymerase chain reaction (PCR) testing, and culture. If RSV is the main concern, DFA testing or RADTs may be used, particularly in infants and children.

What is RSV test results?

What do the results mean? A normal, or negative, result from a nasal test means that there’s most likely no RSV infection. In most cases, a positive result means that you have an RSV infection. Your doctor will let you know what your next steps should be.

This test looks at cells taken from fluid in your nose or throat to see if you have respiratory syncytial virus (RSV). RSV attacks the upper respiratory tract. This test looks for antigens in these nose or throat cells to quickly diagnose an infection.